OG18-P688-712题 并列平行，有个点不懂，求指点

前来围观

Retail sales rose 0.8 of 1 percent in August, intensifying expectations that personal spending in the July–September quarter more than doubled that of the 1.4 percent growth rate in personal spending for the previous quarter.  

A that personal spending in the July–September quarter more than doubled that of

B that personal spending in the July–September quarter would more than double

C of personal spending in the July–September quarter, that it more than doubled

D of personal spending in the July–September quarter more than doubling that of

E of personal spending in the July–September quarter, that it would more than double that of

正确项为B，我的问题是这个题目有考平行结构吗？ B项 X would more than double Y，这是在拿personal spending和growth rate做比较吗？不太明白～