The answer is D: add -s.
For instance, the plural of cat is cats, you have one dog but two dogs, and so on.
The commoners are the sector of society who paid the lowest amount to attend plays at the Globe Theater, having to pay only a penny, whereas nobles and higher classes also had to pay, but more, because they had better seats.
Two lines of a verse that are usually in the same meter and joined in rhyme that form a unit
I would say C.
It is probably the best answer
The answer would be C. A Modest Proposal is one of the most brilliant, well-constructed, and effective satires ever written. It is written subjectively because it is based on opinion.