求助

miafy

GWD3-Q11:

Retailers reported moderate gains in their November sales, as much because of their sales of a year earlier being so bad as that shoppers were getting a head start on buying their holiday gifts.

1. of their sales of a year earlier being so bad as that

2. of their sales a year earlier having been as bad as because

3. of their sales a year earlier being as bad as because

4. their sales a year earlier had been so bad as because

5. their sales of a year earlier were as bad as that

答案是D.可不可以帮忙分析一下

AlienX

我覺得在看句的parallelism.
...as much because [clause] as because [clause].
D有這個平均的structure.
E改了meaning.
A, B and C 的because of their sales...跟because [clause]不parallel.