gwd6-Q8,不明白c为什么不对，前人帖中没有

gwd6-Q8:

Many financial experts believe that policy makers at the Federal Reserve, now viewing the economy as balanced between moderate growth and low inflation, are almost certain to leave interest rates unchanged for the foreseeable future.

1. Reserve, now viewing the economy as balanced between moderate growth and low inflation, are
   
2. Reserve, now viewing the economy to be balanced between that of moderate growth and low inflation and are
   
3. Reserve who, now viewing the economy as balanced between moderate growth and low inflation, are
   
4. Reserve, who now view the economy to be balanced between that of moderate growth and low inflation, will be
   
5. Reserve, which now views the economy to be balanced between moderate growth and low inflation, is

答案是A我选的是C,

A不是会造成viewing去修饰了the Federal Reserve么?不是常见的错误选项么？

谢谢~~

是不是c中的who没有必要出现，否则会多一个宾语