单项选择题

M: Wow.Look at you! You look so great today!
W: Thank you.Do I look good in red
M: Oh,yes,you look perfect in this red dress.
W: Thank you.I bought it last week.
M: It looks good and expensive.
W: Well.not expensive.I bought it on a sale last week.
M: And you got it at a good price
W: Yes.It used to be 490 yuan.but I bought it only at half that price.
M: Lucky you.That’s a real bargain.
W: And I bought a hat to go with the dress too.
M: Is that also a good bargain
W: Sure.the hatis good and cheap too.
M: Good for you.

How much did she pay for the dress()

A. 245 yuan.
B. 254 yuan.
C. 490 yuan.