—I may go to the market this afternoon. —Could you please buy some fruit for meyou are the

问题补充：

—I may go to the market this afternoon.

—Could you please buy some fruit for meyou are there?

A. since

B. if

C. while

D. fits

答案：

A. since

(答案→)B. if

C. while

D. fits

解析：考查连词辨析。句意：—今天下午也行我要去市场。—如果你在那里，你可以帮我买一些水果吗？根据句意说明B正确。If表示的条件。