阅读后面的短文，从短文后各题所给的四个选项（A、B、C、D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。（共20小题；每小题1.5分，共30分）
“Not until we are lost do we begin to understand ourselves.” ——Henry David Thoreau
Everything about my future was ambiguously assumed. I would get into debt by going to college, then I would be forced to get a job to __   __that debt, while still getting into more and more debt by buying a house and a car. It seemed like a never-ending cycle that had no place for the ____ of a dream.
I want more—but not necessarily in the material ____ of personal wealth and success. I want more out of life. I want a passion, a conceptual dream ____ wouldn’t let me sleep out of pure ____. I want to ____ out of bed in the morning, rain or shine, and have that passion for life that seemed so intrinsic(固有的) in early childhood.
We all have a dream. It might be defined or just a (n) ____ idea, but most of us are so stuck in the muck of insecurity and self-doubt that we just ____ it as unrealistic or too ____to pursue.
We become so ____ with the life that has been planned out for us by our parents, teachers, traditions, and social norms that we feel that it’s stupid and ____ to risk losing it for the small hope of achieving something that is more __  _.
Taking a risk is ____ a risk. We can, and will, fail. Possibly many, many, many times. But that is ____ makes it exciting for me. That uncertainty can be viewed negatively, or it can empower us.
Failing is what makes us grow, it makes us stronger and more ____ to the aspects of life we have no control ____. The fear of failure, ____, is what makes us stagnant（停滞不前） and sad. So ____ I couldn’t see the future as clearly as before, I took the plunge in hopes that in the depths of fear and failure, I would ____ feel more alive than ever before.
If you feel lost, just take a deep breath and realize that being lost can be ____ point of finding out who you truly are, and what you truly want to do.

A．pay back B．pay off C．pay for D．pay out

A．possibility B．application C．necessity D．change

A．effect B．feeling C．sense D．practice

A．what B．where C．which D．when

A．disappointment B．nervousness C．sadness D．excitement

A．wrestle B．sleep C．wake D．spring

A．real B．vague C．random D．actual

A．look B．regard C．think D．sever

A．difficult B．easy C．simple D．meaningless

A．complicated B．conventional C．comfortable D．controversial

A．unsafe B．unusual C．uncommon D．uncertain

A．challenging B．fulfilling C．confusing D．surprising

A．always B．seldom C．never D．still

A．when B．that C．which D．what

A．avoidable B．available C．adaptable D．accessible

A．in B．of C．about D．over

A．however B．instead C．therefore D．furthermore

A．so long as B．in case C．as though D．even though

A．gradually B．eventually C．definitely D．deliberately

A．beginning B．top C．turning D．ending