—Where is your mother Rita?. A. She has been to Wu hu.B. She’s going to the old people

问题补充：

—Where is your mother, Rita?

--.

A. She has been to Wu hu.

B. She’s going to the old people’s home

C. She’s gone to work

D. She’ll go shopping

答案：

A. She has been to Wu hu.

B. She’s going to the old people’s home

(答案→)C. She’s gone to work

D. She’ll go shopping

解析：你妈妈在哪？-她去了武汉。has been to曾经去过某地；has gone to去了某地，表示不在说话地点；be going to = will do 将来时；结合句意可知选C。