His mother looked ____ and said, “You don’t have to repay me.”

A. surprised     B. pleased    C. frightened    D. amazed

这是《高中同步学习讲义优化方案》第11单元过关检测完形填空第18题，答案为A，选项D 对不对？surprised 与amazed 有什么区别？

解释：

surprise: (verb) to give someone a feeling of surprise （surprise: (noun) an unusual or unexpected event 不寻常的事情；意外之事）

Her angry tone of voice surprised me.

她愤怒的语调令我吃惊。《麦克米伦高阶英汉双解词典》

amaze: (verb) to surprise someone very much, especially by being very impressive

These guys continue to amaze with their excellent music.

这些小伙子继续用他们优秀的音乐让世人惊异不已。《麦克米伦高阶英汉双解词典》

根据上述词典中解释，surprised侧重“意外之事使人感到惊讶”；amazed侧重“给人印象深刻的事情使人感到惊叹”。上述题目根据短文的上下文，母亲因对儿子的话意外而惊讶，所以选择A项(surprised).