—What about the books?—Books of this kind well.A. sell B. sellsC. are soldD. is sold

问题补充：

—What about the books?

—Books of this kind well.

A. sell

B. sells

C. are sold

D. is sold

答案：

(答案→)A. sell

B. sells

C. are sold

D. is sold

解析：考查语态。这个句子中的sell是用主动表示被动，这些动词说明的是主语的特征或性质，常和一个副词连用，又如：write smoothly,wash easily等。