GWD13-1-38:

Retail sales rose 8/10 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.

1. that personal spending in the July-September quarter more than doubled that of

2. that personal spending in the July-September quarter would more than double

3. of personal spending in the July-September quarter, that it more than doubled

4. of personal spending in the July-September quarter, more than doubling that of

5. of personal spending in the July-September quarter, that it would more than double that of

 答案B我选了A

 答案B我选了A

不明白为什么选B

请牛牛们指点  

A里面that引导的这个同位语从句谓语有问题.如果doubled算谓语的话,那时态就有问题了.既然是expectation,说明没有发生.主句里是rose过去时,后面应该是过去将来时才对.所以用would吧.而这里double应该是谓语动词.