XY06-29 关于synchronize搭配的语法

xboytime

A/C怎么选？

GWD-8-Q29:

Because of a similarity to dance, synchronized swimming—exhibition swimming in which the movements of one or more swimmers synchronize to a musical accompaniment—is sometimes called water ballet, especially in theatrical situations.

1. of one or more swimmers synchronize to

2. of one swimmer or more is synchronized with

3. of one or more swimmers are synchronized with

4. by one swimmer or more is synchronized to

5. by one or more swimmers synchronize to

xboytime

答案是C，不知道A错在哪里