新prep语法185！请指教！

vivianxiong

185.(27714-!-item-!-188;#058&002536)



Because the budget package in Congress promises a combination of higher taxes and reduced spending that may slow economic growth, many in the credit markets wonder whether the Federal Reserve will compensate and help the economy by keeping interest rates low, or perhaps even if they push them lower.

A. by keeping interest rates low, or perhaps even if they push

B. by its keeping interest rates low, or perhaps even by their pushing

C. by keeping interest rates low, or perhaps even by pushing

D. through their keeping interest rates low, or perhaps even push

E. through their keeping interest rates low, or perhaps it will even push

我选的C,觉得or链接的也是平行，为什么答案是B呢？

vivianxiong

自己顶！！NN来帮助呐！！！

yoline8219

我也觉得是C。

kante

我选的c 答案是b为什么！！！

may24

我也觉得是C，答案错了么？

kante

up

cheshou

答案就是C