问题补充:
—What a nice watch it is! —Yes. It’s one of all.
A. expensive
B. more expensive
C. the most expensive
D. much more expensive
答案:
A. expensive
B. more expensive
(答案→)C. the most expensive
D. much more expensive
解析:句意:多么好的手表啊!——是的,这是所有手表中最贵的一个。结合语境可知本句表示在多个中进行对比,故用形容词的最高级,选C。