Which sentence is correct?
A. We have to research our topic write our outline and turn in our rough draft in one week.
B. We have to research, our topic, write our outline, and turn in our rough draft in one week.
C. We have to research our topic, write our outline, and turn in our rough draft in one week.
D. We have to research our topic, write our outline, and turn in our rough draft, in one week.