I am about the new model, and I firmly believe that there will be a good market for it. A．concernedB．doubtfulC．confidentD．particular 题目和参考答案——青夏教育精英家教网—

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

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。
考点：考查形容词辨析。

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