急急求助GWD-8-29

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.

A.      of one or more swimmers synchronize to

B.       of one swimmer or more is synchronized with

C.      of one or more swimmers are synchronized with

D.      by one swimmer or more is synchronized to

E.       by one or more swimmers synchronize to

想问一下同志们，c中的 are synchronized with 是固定搭配么？

怎么判断用are 不是is呢？

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.

A.      of one or more swimmers synchronize to

B.       of one swimmer or more is synchronized with

C.      of one or more swimmers are synchronized with

D.      by one swimmer or more is synchronized to

E.       by one or more swimmers synchronize to

1
[intransitive and transitive] to happen at exactly the same time, or to arrange for two or more actions to happen at exactly the same time
synchronize something with something
Businesses must synchronize their production choices with consumer choices.

主语是movements所以要用are 由于movements不能自己synchronize 应该是被动的 所以are synchronized with

Longman上没有提到synchronize to估计没有这个用法吧