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

问题补充：

—That must have been a long trip.

—Yeah, itus 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：根据上文的信息词 must have been可知是与过去有关，由此可知下文是陈述过去的一个事实。故用一般过去时。句意：——那一定是一次长途旅行。——是的，花了我们一整星期才到达那。