—What a nice watch it is! —Yes. It’s one of all.A. expensiveB. more expensiveC. the most

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：----多么漂亮的手表。----这是最贵的。三者或三者以上进行比较时，用最高级，其后常与in或者of短语连用。如：My brother is the tallest of the three.故选C