How can you determine if an LM hash you extracted contains a password that is less than 8 characters long?

How can you determine if an LM hash you extracted contains a password that is less than 8 characters long?

A.
There is no way to tell because a hash cannot be reversed

B.
The right most portion of the hash is always the same

C.
The hash always starts with AB923D

D.
The left most portion of the hash is always the same

E.
A portion of the hash will be all 0’s