阅读下面短文，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）
My previous home had a stand of woods behind it and many animals in the backyard. That first year, I_   __ feeding peanuts to the blue jays, then the squirrels. The squirrels had no____ coming up right to me for them. As the months went by, the rabbits saw that I was no     and didn’t escape. When I threw carrot slices(薄片)，they even came for a nibble(啃).Slowly they came to____ me, and by the end of the year they were eating out of my hand.
That second year, the rabbits_____ me, and one would even sit up for slices! While I was feeding them, I ____ that a groundhog who used to run away was now taking an______interest in this food situation. I carefully extended a long______, with a keen eye on those teeth, and _  __,there were times I would have the groundhog sitting next to a rabbit, both munching(津津有味的咀嚼) on carrots. A few months later, while ______,she would even turn her back to me.____when she was facing away, I reached out and _____scratched（搔）her back with my finger, She didn’t move.
By year three, the rabbits and the groundhog were back. The groundhog _____didn’t have a problem with me scratching her back, and I got an idea, I’d always_____,while slicing up carrots, that the end looked like a cap.______one day, just to see what she would do ,I gently _____ one on top of the groundhog’s head. Again, not a _____,The next time, I had my camera ready to record what you see here, one of several dozen such pictures,_______she had a slice to eat, she never ______ the one of her head. It was a fair ____ —I got a pleasure, and she had yet another tasty treat.

A．avoided B．started C．canceled D．suggested

A．business B．fun C．problem D．privilege

A．help B．cheat C．threat D．exception

A．trust B．miss C．admire D．appreciate

A．feared B．ignored C．discovered D．remembered

A．proved B．decided C．noticed D．understood

A．extreme B．increasing C．additional D．inspiring

A．squirrel B．rabbit C．peanut D．carrot

A．before long B．long ago C．over and over D．all over again

A．eating B．playing C．sitting D．sleeping

A．Next B．Once C．Soon D．Lately

A．carefully B．suddenly C．violently D．patiently

A．also B．thus C．just D．still

A．thought B．doubted C．admitted D．recognized

A．While B．Or C．So D．For

A．fixed B．placed C．hung D．kept

A．tremble B．move C．delay D．hesitation

A．Even if B．Ever since C．As far as D．So long as

A．welcomed B．required C．bothered D．expected

A．trade B．competition C．task D．affair