Where is your mother?She has to Sichuan on business. She has there four times re

--- Where is your mother?
--- She has to Sichuan on business. She has there four times recently.
A. gone, gone
B. been, been
C. gone, been
D. been, gone

A. gone, gone B. been, been(答案→)C. gone, been D. been, gone解析：has/have been to曾经去过某地，has/have gone to 去了某地，根据语境选C。

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