Sentence Correction (SC) | Re: Most of the country’s biggest daily newspapers had lower circulation i

The correct comparisons are as follows:

Structure 1:
Comparing "circulation" with "circulation" -The circulation in period X is more thanthe circulation in period Y . ORThe circulation in period X is more thanthat in period Y .

Structure 2:
Comparing 2 periods - The circulation is morein period X thanin period Y . In this case the use of "that" to replace "circulation"
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