[求助]GWD1-7

PsycheJY

 

GWD1-Q7:

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.

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

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

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

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

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

为什么选C？非常感谢啊。。