Man: Did you see Martha just now I want to ask her to go with us to the concert tonight.Woman: She must be around somewhere. You may still be able to catch her.Question: What does the woman mean

A．She knows where Martha has gone.

B．Martha will go to the concert by herself.

C．It is quite possible for the man to find Martha.

D．The man is going to meet Martha at the concert.

债券市场的功能。（）

A.融资功能

B.价格发现功能

C.宏观调控功能

D.买卖功能