求助：Prep-sc1-162

The government predicts that, for consumers and businesses that make a large number of long-distance calls, the Federal communication's recent telephone rate
            cuts will greatly reduce costs, though some consumer groups disagree with the government's estimates, suggesting they are too optimistic.

A. The government predicts that, for consumers and businesses that make a large number of long-distance calls, the Federal communication's recent telephone rate cuts will greatly reduce costs,
B. The government predicts that costs will be greatly reduced for consumers and businesses that make a large number of long-distance calls by the Federal Communication Commission's telephone rate cuts,
C. The government's prediction is, for consumers and businesses making a large number of long-distance calls, costs will be greatly reduced by the recent telephone rate cuts made by the Federal Communications Commission,
D. For consumers and businesses that make large number of long-distance calls, the government prediction that the Federal Communication's recent telephone rate cuts will greatly reduce costs,
E. For consumers and businesses making a large number of long-distance calls, the government predicts that the recent telephone rate cuts that the Federal Communications Commission has made will greatly reduce costs,

正确答案是A，除了D明显错之外其他的错误不明显。请牛人分析一下。