Man: I don't know whether to ask Joe or Co

问题：

Man: I don't know whether to ask Joe or Cora to draw the posters. Woman: What difference does it make They are both excellent artists. Question: What does the woman imply about Joe and Cora

A．They are equally competent for the job.

B．They both graduated from art schools.

C．They majored in different areas of art.

D．They are both willing to draw the posters.