Books of this kindwell.A. sellB. sellsC. are soldD. is sold

问题补充：

Books of this kindwell.

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：在此用sell的主动形式表示被动意义，sell well意为“畅销”。