问题描述：
_______,it was retured to the library.
A.Having read the book B.After he read the book
C.Reading the book D.After reading the bool
No one can imagine a boy ____ so cruelly.
A.to treat B.treating C.be treated D.being treated.
请帮我写下理由,
A.Having read the book B.After he read the book
C.Reading the book D.After reading the bool
No one can imagine a boy ____ so cruelly.
A.to treat B.treating C.be treated D.being treated.
请帮我写下理由,
问题解答：
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