问题

Do you know ________ the new mobile phone yesterday— Maybe about 2,800 yuan. I’m not sure.
A:how much she paid for
B:how much will she pay for
C:how much did she pay for
D:how much she will pay for;
B:how much will she pay for
C:how much did she pay for
D:how much she will pay for;
正确答案是: