[讨论]GWD1-Q7关于CEO挣钱是蓝领xxx倍的那道题……

A recent review of pay scales indicates that CEO’s now earn an average of 419 times more pay than blue-collar workers, compared to a ratio of 42 times in 1980.

A.      that CEO’s now earn an average of 419 times more pay than blue-collar workers, compared to a ratio of 42 times

B.       that, on average, CEO’s now earn 419 times the pay of blue-collar workers, a ratio that compares to 42 times

C.      that, on average, CEO’s now earn 419 times the pay of blue-collar workers, as compared to 42 times their pay, the ratio

D.      CEO’s who now earn on average 419 times more pay than blue-collar workers, as compared to 42 times their pay, the ratio

E.       CEO’s now earning an average of 419 times the pay of blue-collar workers, compared to the ratio of 42 times

答案是C，请牛牛帮我分析一下……我做了几遍了都没做对

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