听力原文:M: How much are these pens, please?W: Two for fifteen cents now. Prices have been
听力原文:M: How much are these pens, please?
W: Two for fifteen cents now. Prices have been reduced on all our school supplies since the holiday. Pens used to be 10 cents each.
How much will the man have to pay if he buys two pens. '?
A.15 cents.
B.20 cents.
C.30 cents.
D.40 cents.