E is the answer.
Reason could be that 'leading gas and electric company ' sounds like it is talking about a single company. As it is talking about 'a merger between 2 companies ' I believe E states it best that the merger is bw the nation's leading gas company and leading electric company .
Reason could be that 'leading gas and electric company ' sounds like it is talking about a single company. As it is talking about 'a merger between 2 companies ' I believe E states it best that the merger is bw the nation's leading gas company and leading electric company .
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