题目内容：
阅读下面短文，回答问题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____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 talking 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.Afew months later,while ___20___,she would even turn her back to me.___21_
When she was facing away,I reached out and ___22__scratched（搔）her back with my finger,She Didn’t move.
By year three,the rabbits and the groundhog were back.The ground hog ___23__didn’t have a problem with me scratching her back,and I got an ides,I’d always___24__,while sclcing uo carrots,that the end looked like a cap.____25___one day,just to see what she would do ,Igently ____26__ one on top of the groundhog’s head．Again,not a ___27__,The next time, Ihad my camera ready to record what you see here,one of several dozen such pictures,____28___she had a slice to eat,she never ___29___ the one of her head．It was a fair __30__ —I got a pleasure,and she had yet another tasty treat. A．avoided
B．started
C．canceled
D．suggested
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