What is the best way to combine the following sentences into a complex sentence?
The members receive a snack. The members work on their school assignments.
A.
Receiving a snack, the members work on their school assignments.
B.
After the members receive a snack, they work on their school assignments.
C.
The members receive a snack and work on their school assignments.
D.
The members receive a snack; they work on their school assignments.