【单选题】
The tweendecker has()below the main deck.
A、another deck
B、two other decks
C、no deck
D、additional deck
A、another deck
B、two other decks
C、no deck
D、additional deck
A、deep tanks/lower holds B、lower holds/tweendecks C、tweendecks/deep tanks D、deep tanks/tweendecks
A、A.deep tanks/lower holds B、B.lower holds/tweendecks C、C.tweendecks/deep tanks D、D.deep tanks/tweendecks