---Hello! 458-6777.-Hello! .---Yes please hold on.A. May I speak to Jack?B. Jack isn’t

问题补充：

---Hello! 458-6777.

---Hello! .

---Yes, please hold on.

A. May I speak to Jack?

B. Jack isn’t in.

C. What can I do for you?

D. What’s your name?

答案：

(答案→)A. May I speak to Jack?

B. Jack isn’t in.

C. What can I do for you?

D. What’s your name?

解析：根据对话内容，可判断出是电话用语，故选答案为A