—That must have been a long trip.
—Yeah, it us a whole week to get there.
A. takes
B. has taken
C. took
D. was taking
网友回答
A. takes
B. has taken
C. took
D. was taking
解析：考查时态：That must have been ……是对过去情况的判断，所以 it us a whole week to get there. 是在陈述过去的一个事件，要用过去时。句意：那一定是很长的旅程。--是的，我们花了一周才到。选C。