On Saturday afternoon, Mrs．Green went to the market, ________ some bananas and visited her cousin．

A.bought

B.buying

C.to buy

D.buy

答案及解析： A

解析：

首先，on Saturday afternoon是明确的过去时间状语，然后，我们通过句中的并列连词and可判断出句中有三个动作先后发生，即went, bought和visited。