--What does the sign over there say?

--No person ______ enter the area without official permission.[ ]

A. will            

B. shall          

C. must          

D. may

[听力原文]8-10

W: Mother’s Day is coming, what will you send to your mom

M: I’ve no idea. What about you

W: My mom is on a business travel; I guess she can’t be back on that day.

M: I heard there would be a special program on the radio on that day. Maybe you can have a try.

W: I think she doesn’t have time to listen to the radio.

M: Well, you can make a call to remind her before the program.

W: Sounds a good idea. Why wouldn’t you try it with me

M: That’s right, l’ll choose a song for my mother.

W: She’d like it.

M: I hope so.

What does the man want to know （）

A．The woman’s birthday.

B．His mother’s job.

C．The woman’s name.

D．The woman’s present for her mother.