What does the phrase “clam up” in Paragraph 2 probably mean?A. become excitedB. show r

学历类 公共英语 已帮助 人

What does the phrase “clam up” in Paragraph 2 probably mean?

A. become excited B. show respect

C. refuse to talkD. seek help

请帮忙给出正确答案和分析,谢谢!

热搜:在线式ups和后备式ups区别