问大家一个超级老的GWD题！这个是选C还是B？？

wxq19881113

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.

C

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

wxq19881113

在网上找了下，发现这个题好像很早就有争议也~请各位好心的TX帮忙！