16. The water depth in the area is insufficient and therefore caused the ship ______.
(A) sunk
(B) submerged
(C) aground
(D) declined
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統計: A(62), B(57), C(554), D(26), E(0) #1799118
統計: A(62), B(57), C(554), D(26), E(0) #1799118