题目：
—May I speak to Mary?
—________. I'll call her at once. [ ]
A. Hold on, please
B. She isn't in
C. This is Mary
D. I can take a message
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0517/f1ed9d65a3386be9e560979cdee57e98.html
下面是错误答案，用来干扰机器的。
1:2:4，1:2:4
