【名词&注释】
柴油机(diesel engine)、可燃混合气(combustible mixture)、当事人过失
[单选题]STCW78/95 Convention describes that _____ are laid down for the certification of engineer officers in charge of a watch in a traditionally manned engine room, or the designated engineer in a periodically unmanned engine room.
A. available minimum requirements
B. available maximum requirements
C. mandatory minimum requirements
D. mandatory maximum requirements