—That must have been a long trip.—Yeah it us a whole week to get there.A. takesB. has tak

问题补充：

—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

答案：

A. takes

B. has taken

(答案→)C. took

D. was taking

解析：考查时态，题干中musthavedone是对过去的肯定推测，因此提示时间在过去，选择一般过去时。