–Excuse me I’d like a pair of shoes.－What about this ? You can try on.A. one itB. pair

问题补充：

–Excuse me, I’d like a pair of shoes.

－What about this ? You can try on.

A. one, it

B. pair, it

C. one, them

D. pair, them

答案：

A. one, it

B. pair, it

C. one, them

(答案→)D. pair, them

解析：句意:--劳驾，我要一双鞋。--这双怎么样？你可以试穿一下。这里第二空代替是shoes，所以必须用复数的代词them，故排除AB；根据上文可知第一空应该指的是这双，根据句意故选D。