单项选择题
Conversation 1
W: Good morning. This is Mary brown of IMA Computers.
M: Hello. What can I do for you
W: I’ d like to order some computer monitors.
M: Yes. Which ones
W: The order number is C106.
M: How many do you need
W: Three hundred, please.
M: One moment... yes, we can supply them.
W: Could you send them by June 21st, please
M: Certainly.
W: Good. Thanks.
M: Thank you. Good-bye.
W: Good-bye.
A. One hundred.
B. Two hundred.
C. Three hundred.
D. Four hundred.