【单选题】听力原文:W: Well, it seems to me that everybody's talking about E-mail nowadays. (25) When you exchange cards with others, you'll feel out of time and start at a disadvantage if your card hasn't an E-mail...
A.
Because it's the easiest way to communicate with other users.
B.
Because it's printed on every card people exchange with others.
C.
Because everybody's talking about E-mail nowadays.
D.
Because if you don't have one, you will be out of time.