--Which coat would you prefer, sir?
--I’11 take , to have a change sometimes.
A. all them
B. them all
C. both them
D. them both
网友回答
A. all them
B. them all
C. both them
(答案→)D. them both
解析：句意：--先生，你更喜欢哪个外套？--我两个都要。这样可以有时换一换。因为使用了prefer，所以是两者中更喜欢，所以排除AB项，用both表示“两者都”，代词both放在them后面，做同位语，所以选D。