Question

He said that they____ Yunnan. A.have been to B.h

d gone to
C.have gone to D.has gone to

Answer 1

选 : B. had gone to
He said that they had gone to Yunnan. 他说他们去了云南。
( 这句话用 'said' 在前面。said 是过去时态。句子应该使用的过去时态 'had' 来完成. )

Answer 2

A have been to 是去过，回来了意思