B) The goverment predicts that costs will be greatly reduced for consumers and businesses that make a large number of long-distance calls by the Federal Communications Commission's recent telephone rate cuts
>> calls by the Federal ... wrong...should've been sth along the lines of due to rate by Federal...
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
>> reduced by the...wrong. Should've been sth like reduced because of...
D) For consumers and businesses that make a large number of long-distance calls, the government's prediction that the Federal Communications Commission's recent telephone rate cuts will greatly reduce costs
>> Can be considered, but when read in conjunction with non-underlined part, doesnt have continuity of thought.
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
>> Acceptable.
So between A and E, the latter sums it up better (sentence structure). So E is what I would go with.
What is the OA?