求好人解析一下选项A 。A federal advisory panel proposes …

喻言的宝贝

A federal advisory panel proposes expanding a national computerized file to permit law-enforcement agencies to track people under criminal investigation but have not yet been charged.

(A) under criminal investigation but

(B) under criminal investigation, but who

(C) under criminal investigation, but they

(D) who are under criminal investigation, but they

(E) who are under criminal investigation but




选项A为何错误？从句中的Who are不是可以省略吗？

长丝弓

省略之后，have not yet been charged的主语怎么办呢？

喻言的宝贝

长丝弓 发表于 6小时前
省略之后，have not yet been charged的主语怎么办呢？

所以当有parallelism时，不可以省略是吗？