— Have you heard that Jones, along with her parents, _____ to Hainan for the winter vacation?

— Really? No wonder I haven't seen her these days. [ ]

A. has been

B. have been

C. has gone

D. have gone

深化行政执法体制改革，应整合（），相对集中执法权，推进（）。

A、执法主体

B、行政执法层级

C、文明执法

D、综合执法