Which events from the passage show how parallel plot lines create tension or suspense?

A.
While King Richard and Ratcliff discuss the rain, Norfolk prepares battle plans.
B.
After King Richard gives a speech to his generals, he gives a speech to the soldiers.
C.
While King Richard prepares to battle, Ratcliff and Norfolk prepare their troops.
D.
While King Richard plots against Richmond, Lord Stanley plots against King Richard.