There was a sharp sound of carts ( ).

There was a sharp sound of carts ( ).
A、to pass
B、passed
C、passing
D、pass
【正确答案】：C
【题目解析】：现在分词表“主动/进行”修饰carts,四轮马车经过。句子含义是这里有很刺耳的马车经过声响。