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
网友回答
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。