【问】 形容词afraid与形容词frightened有何区别?

【答】 形容词afraid主要用作表语，跟连系动词连用。frightened则既可用作表语，也可用作定语：

1. He was beginning to be really afraid now. (Sinclair)

他那时开始真的害怕了。

2. Be afraid of nothing. (Wilde)

什么也不要怕。

3. He was frightened at the thought of his coming examination. (LDCE)

一想到即将来临的考试，他就害怕。

4. Clarice threw me a quick frightened glance. (Du Maurier)

克拉丽斯迅速地看了我一眼，那眼神充满了惊恐。

5. The frightened horse ran away from the fire. (LDCE)

受惊吓的马从大火中跑了出来。

请做下面的英语试题：

“And then the wind blew the roof off. ” “Oh，you____.”

A. probably are frightened B. could expect frightening

C. must have been frightened D. perhaps had been frightened(TOEFL，76. 2)