In the cave they found the very book, the cover of _______was torn.

A.which  B.what  C.that  D.whose

A


解析:

：此題為非限定性定語從句，從句中介詞of缺少賓語，that 不可用于非限定性定語從句里，whose 需要修飾其它名詞，what 為連接代詞和疑問代詞，不用于定語從句中。Which指代the very book,在從句中作賓語。

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