She ________ her hairstyle in her hometown before she came to Chongqing for a better job．

She ________ her hairstyle in her hometown before she came to Chongqing for a better job．

A.would change

B.has changed

C.changed

D.was changing

答案及解析： C

解析：

从后面的时态she came…可知前面的时态也应该是过去的时态，排除了B项。前面的动作是发生在“来之前……”，所以应该考虑过去完成时态或一般过去时态。选项中没有过去完成时态，只有选择C项。