【单选题】

Woman: Professor Smith, I really need the credits to graduate this summer.Man: Here in this school: the credits are earned, not given.Question: What do we learn from the conversation
A．The woman has to attend a summer course to graduate.

B．The man thinks the woman can earn the credits.
C．The woman is begging the man to let her pass the exam.
D．The woman is going to graduate from summer school.