题目

题型：不详难度：来源：

I am ______ about the new model, and I firmly believe that there will be a good market for it.

A．concerned

B．doubtful

C．confident

D．particular

答案

C

解析

试题分析: 句意：我对新的样品很有信心，我坚定地相信它会有很好的市场。A be concerned about“关心，担心”；B be doubtful about “对……怀疑”；C be confident about “对……有信心的”；D be particular about “对……挑剔。从句意可知答案选C。