LeonardodaVince　　　birdskeptincagesinordertohavetheplea...

问题详情：

 Leonardo da Vince　　　birds kept in cages in order to have the pleasure of setting them free.

A. is said to be buying

B. is said to have bought

C. had said to buy

D. who said to have bought

【回答】

B

知识点：一般现在时及其被动式

题型：选择题