阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中选出可以填入空白的最佳选项，并在答题卡上将该项涂黑。
I have always believed the saying , “Any man can be a father, but it   31   someone special to be a dad.” This is true. Since the   32  of my son, Joshua, things have changed a lot in my life, but the  33  have been good! My wife and I have been through many  34   moments which have made both of us stronger.
My son was born with a serious breathing problem and he couldn’t keep his  35  down. He was put on several different medications,   36  he did not get any better. My wife and I were both told many times by people that Joshua   37  he was born early; he had not   38  much weight since he was born.
As time progressed his regular doctor  39   my wife and me to visit Dr. Eid, a specialist in Louisville. He was   40  by my son’s condition and so we were sent to Louisville’s Children’s Hospital . Joshua   41  many different checkups. The   42  spent there was very demanding for my wife and me. But we did make it   43 . Our son Joshua was diagnosed (诊断) with asthma (哮喘) , and with acid reflux syndrome (酸回流综合症). After the treatment, his  44   began to improve slowly.
Joshua is 1 year and 1 month old now and his progress has been   45  --- he is up to 27 pounds now. I keep telling my wife that if he keeps  46  like this he might become a football _____47   someday. There is a saying that has   48   me get through these troublesome times, “Problems will either  49    you or break you.”  When you think the   50  hours are upon you, remember the dawn is just in sight.

A．takes B．asks C．tells D．brings

A．return B．illness C．birth D．death

A．doctors B．friends C．causes D．changes

A．boring B．challenging C．exciting D．puzzling

A．food B．water C．weight D．medicine

A．so B．but C．since D．until

A．looked about B．looked for C．looked like D．looked at

A．gained B．lost C．kept D．raised

A．followed B．ordered C．invited D．advised

A．angered B．shocked C．disappointed D．scared

A．went into B．put into C．went through D．broke through

A．time B．money C．hour D．holiday

A．out B．down C．off D．through

A．diet B．study C．health D．weight

A．great B．slow C．little D．enough

A．walking B．running C．training D．growing

A．supporter B．player C．coach D．fan

A．left B．moved C．helped D．watched

A．cheat B．make C．beat D．find

A．easiest B．latest C．brightest D．darkest