单项选择题
W: Three letters of recommendation are required to apply to graduate schools. I was wondering if the one Prof. Smith wrote for me last year could still be used.
M: lt’s a bit dated. You’d better submit a recent one.
Q: What does the man suggest the woman do?
A.Submit no more than three letters.
B.Present a new letter of reference.
C.Apply to three graduate schools.
D.Send Professor Smith a letter.