PREP--31 question thx!

31. 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.

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

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

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

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

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

Prep say the key is C.but GWD 1 say it should be B...i am so confued....i choose B...can any good man help me??/

I vote for B as well.

i vote C ,之前有过讨论了，LZ 搜一下。

只说我的一点看法：

B里面 a ratio that compares to 42 times ， a ratio 怎么能主动的去compare 呢？