Which Fibre Channel timing variables must match in an interoperable fabric?

Which Fibre Channel timing variables must match in an interoperable fabric?

A.
Timing variables do not need to match.

B.
R_A_TOV, E_D_TOV and B_B_TOV

C.
R_A_TOV and E_D_TOV

D.
R_A_TOV and B_B_TOV