29.翻譯：2號救生艇已下水。
(A)The No.2 lifeboat was launched.
(B)The No.2 lifeboat was checked.
(C)The No.2 lifeboat was prepared.
(D)The No.2 lifeboat was secured.

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統計： A(34), B(4), C(7), D(1), E(0) #1189012