With ail the magazines I needed I left the post office.A. buyingB. to buyC. boughtD. to b

问题补充：

With ail the magazines I needed ,I left the post office.

A. buying

B. to buy

C. bought

D. to be bought

答案：

A. buying

B. to buy

(答案→)C. bought

D. to be bought

解析：all the magazines和buy之间是动宾关系，所以用过去分词作定语。