The boy is often found _____in reading books. A.absorbs B.is absorbed C.absorbing D.

The boy is often found _____in reading books. A.absorbs B.is absorbed C.absorbing D.absorbed

D

考查过去分词做主语补足语的用法,find sb done结构的被动是sb be found done,因为 sb be absorbed in专注于,做主语补足语也是过去分词做补足语。句意是:这个男孩经常被发现专注的看书。选D。
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