听力原文：W: May I speak to Mr. Li？M: Which Li, ma'am？ There are two Lis here.W: Oh？ Mr. Li

听力原文：W: May I speak to Mr. Li？

M: Which Li, ma'am？ There are two Lis here.

W: Oh？ Mr. Li, head of the Export Section.

M: Oh, the chief？ That's Mr. Michael Li, then.

W: Is that right？

M: I'm sorry, but Mr. Li's gone on a trip.

W: I see. When will he return？

M: He'll be back next Monday.

W: All right. I'll call on Monday again.

M: May I have your name？

W: Mrs. Dorothy Preston.

M: Mrs. Dorothy Preston. Is that Dorothy with a "y"？

W: That's right.

M: I'll tell Mr. Li you called when he returns.

W: Thank you.

Where is Mr. Li？

A．He is on holiday.

B．He is out for lunch.

C．He is on a trip.