which access layer switch port will assume the discarding role?

Refer to the exhibit.

At the end of an RSTP election process, which access layer switch port will assume the discarding
role?

A.
Switch3, port fa0/1

B.
Switch3, port fa0/12

C.
Switch4, port fa0/11

D.
Switch4, port fa0/2

E.
Switch3, port Gi0/1

F.
Switch3, port Gi0/2