根据对话情景的内容，从对话后所给的选项中选出能填入每一空白处的最佳选项。选项中有两个为多余选项。
W: Jack, why do you have a Band-Aid on your arm.
M:     ____
W: You did? That’s great.         But every time I get close to a needle, I’ll faint.
M: I’m used to it. I’ve donated blood many times lately.   ____
W: You’re so brave.        I know how important it is for patients in operations.
M: Thank you, but I don’t think it’s a big deal.
W: No, it is a big deal. If the Red Cross doesn’t have enough blood when doctors travel to disaster areas, they can’t help the injured people there.   ____
M: Well…there’s a particularly pretty nurse who works in the blood station.

A．That’s very admirable.

B．Because I donated blood today.

C．Do you donate blood often?

D．The needle doesn’t bother me.

E.I’d like to do that, too.
F.How can we help the Red Cross?
G.I’m sure that’s why you do it, right?