Many people stood near the bus stop nervously waiting.A. to pick up B. picking upC. to be

问题补充：

Many people stood near the bus stop, nervously waiting.

A. to pick up

B. picking up

C. to be picked up

D. being picked up

答案：

A. to pick up

B. picking up

(答案→)C. to be picked up

D. being picked up

解析：句意：许多人站在公共汽车站旁，焦急地等着被车接走。表示没有发生的事情，故用动词不定式，动作pick up与其逻辑主语Many people是被动关系，故用不定式的被动式，选C。