问题
单项选择题
The enrollments at College X and College Y both grew by 8 percent from 1980 to 1985. If the enrollment at College X grew by 800 and the enrollment at College Y grew by 840, the enrollment at College Y was how much greater than the enrollment at College X in 1985
A．400
B．460
C．500
D．540
E．(E) 580
答案
参考答案：D