What statement is true?

What statement is true?

A.
Pseudowire will never come up if MTU mismatches at both ends.

B.
Pseudowire will always come up even if MTU mismatches at both ends.

C.
For ATM Cell Relay, pseudowire will come up if MTU mismatches at both ends.

D.
For local switching, pseudowire will come up if MTU mismatches at both ends.

E.
For ethernet transport, pseudowire will come up if MTU mismatches at both ends.