GWD-1-7

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

有没有人能帮助解释一下这道题的考点是什么？why "Compare to" ???

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