XX times 可以加 er than么

claraping

记得不是GMAT里面只接受 XX times as。。as，，么 ？为什么下面可以选择A？

OG251. The gyrfalcon, an Arctic bird of prey, has survived a close brush with extinction; its numbers are now five times greater than when the use of DDT was sharply restricted in the early 1970's. .

A.extinction; its numbers are now five times greater than

B.extinction; its numbers are now five times more than

C.extinction, their numbers now fivefold what they were

D.extinction, now with fivefold the numbers they had（A）

E.extinction, now with numbers five times greater than

emmahiggins09

比较number 只能用greater

Manhattan语法说的哦。