问题详情

(In an effort to) produce the largest, fastest, most luxurious ship afloat, the British built the Titanic. It was so superior to (anythingon) (the seas) that it (was dubbed) "unsinkable."
A．In an effort to
B．anythingon
C．the seas
D．was dubbed请帮忙给出正确答案和分析，谢谢！