This kind of flower well these days. Would you like to have one?A. sellB. sellsC. are sold

问题补充：

This kind of flower well these days. Would you like to have one?

A. sell

B. sells

C. are sold

D. is sold

答案：

A. sell

(答案→)B. sells

C. are sold

D. is sold

解析：这种花这些天卖的很好。你想来一盆吗？sell常用主动形式表被动含义。且主语This kind of flower为单数，所以选B。