问题
Leonardo da Vinci (1452-1519) ____ 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:has sad to have bought
B:is said to have bought
C:had said to buy
D:has sad to have bought
正确答案是：
同类题型
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