听力原文:M: Doctor, this cough medicine doesn't seem to be helping. Can you give me a different prescription? W: Let's give it another day or two to see how you are doing then. Q: What does the doctor imply? (17)
A.
She'll be away from the office for two days.
B.
The man should continue using the medicine.
C.
The man doesn't need anything for his cough.
D.
She'll give the man a new prescription right away.