I think its brainstorm,and 2 more things i may be wrong though.
We have been waiting for an hour
I'm not completely shore but i would choose C.
Answer:
D) Sighing, Madame Oks patiently told Sabrina that she couldn't run for President of French Club unless she was willing to stay after school each day, to advertise for new membership, and to raise money for Doctors-Without-Borders.
Explanation: