[求助]

885section c

14.   Published during the late eighteenth century, Diderot’s factual Encyclopedia and his friend Voltaire’s fictional Candide were the cause of such a sensational scandal, and both men prudently chose to embark on extended vacations in nearby Austria.

(A) Diderot’s factual Encyclopedia and his friend Voltaire’s fictional Candide were the cause of such a sensational scandal, and

(B) Diderot and his friend Voltaire’s caused such a sensational scandal with their factual Encyclopedia and fictional Candide, respectively, that

(C) Diderot’s factual Encyclopedia and his friend Voltaire’s fictional Candide were the cause of a scandal so sensational that

(D) the scandal caused by Diderot’s factual Encyclopedia and his friend Voltaire’s fictional Candide was so sensational（C）

(E) a factual Encyclopedia by Diderot and the fictional Candide, by his friend Voltaire, caused a sensational scandal, which

这里的C选项中Diderot’s factual Encyclopedia and his friend Voltaire’s fictional Candide were the cause of a scandal (that is)so sensational that中的(that is)给省略掉了么?可以这样理解么?要不然so..that 结构不是"主语+谓动+so+adj+that"么?

这个问题有点晕......请指教下