Choose the word or set of words that, when inserted in the sentence, best fits the meaning ofthe sentence as a whole.

Designed to resist storms by virtue of their ------- weight, the oil platforms towed into the North Sea were the heaviest objects ever moved by human technology.

(A) inconsistent
(B) purported
(C) unstable
(D) random
(E) immense

来源:可可英语 http://www.kekenet.com/sat/201412/348238.shtml