—What about the books ?—Books of this kind well .A. sell B. sells C. are sold D. 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：主语为复数名词books，谓语动词应用复数。sell 有销路,销售情况。故选A。