[求助]一道语法题

lijuly

2003,10 的一道语法题

38.Twenty thousand years ago a sheet of ice a thousand meters thick covered the

coastal region which the cities of Vancouver and Juneau now are located.

答案是A...如何改? 为什么C没错？which 前不用加in 吗？

cucu

答案是C吧

改成 in which

A应该没错, 你会不会看错答案了

lijuly

我也是选C的，但回答的确是A.....真费解

曾经沧海难为水

C is correct, not A.

marshial

同意C！