Refer to the exhibit. Asymmetric connection attempts in the aggregation layer are occurring on redundant FWSM modules. Which change might prevent this problem?

A.
Add more FWSM modules to each Catalyst 6500 switch.

B.
Reduce the oversubscription on the aggregation-to-access links.

C.
Configure round-robin load balancing between the FWSM modules.

D.
Increase the number of links in the EtherChannel between Catalyst 6500-A and Catalyst 6500-B.