You are signing on a crew. Which person is presenting a Merchant Mariner's Document (MMD) that you should suspect as being invalid?

A
An AB with an endorsement of "Any unlicensed rating in the deck department including Able Seaman"
B
A seaman with an MMD only endorsed as "Bosun"
C
A Purser with an MMD only endorsed "See certificate of registry"
D
A Chief Steward with an MMD only endorsed as "Steward's Dept. (FH)"
E