With regard to the stowage of dangerous goods, category B means_____.

A、the dangerous goods shall be stowed on deck or under deck on board cargo ships; but on deck only on board passenger ships;

B、the dangerous goods shall be stowed on deck only on board cargo ships or passenger ships, but not under deck;

C、 the dangerous goods shall be stowed on deck only on board cargo ships, but not under deck; and they are prohibited on passenger ships;

D、the dangerous goods can be stowed on or under deck on board cargo ships; and they are prohibited on passenger ships