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The reserve bank of India examines macro-economic environment and external conditions, and in using the guidelines it derives from these analyses, can decide the fiscal and monetary policy.

A.      conditions, and in using the guidelines it derives from these analyses, can decide

B.      conditions, and it uses the guidelines derived from these analyses in deciding

C.      conditions and, in using the guidelines derived from these analyses, deciding

D.     conditions and, using the guidelines derived from these analyses, decides

E.      conditions and, in its use of the guidelines it derives fro these analyses, it decides

Is there any need of "IT" in "B"?

答案是B？ 怎么我觉得B不对呢。。。应该是use sth. to do sth.表目的啊？

我怎么觉得D是对的？