According to best practices, what is the proper method for configuring an ISL between two MDS 9500 series switches with only 32-port Fibre Channel modules?

A.
Use port 1 on both switches as the E_port

B.
Use ports 1 and 2 on both switches as the E_ports

C.
Use ports 13 and 29 on both switches as the E_ports

D.
Use ports 16 and 32 on both switches as the E_ports