The answer is C. Why it’s C is because it’s describing two things which would need a comma between
A rhyme scheme is a order of rhyme patterns at the end of each line in a poem.
for example:
The people along the sand -A
All turn and look one way. B
They turn their back on the land. -A
<span>They look at the sea all day B
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the rhyme scheme would be A,B,A,B
It should be a Logical Appeal. C
An apostrophe right after the "its" like this: its'
It is being used as an adjective in the sentence, so the definition is,
<span>"(of an action) convenient and practical, although possibly improper or immoral."
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The meaning of the word "expedient" most likely means practical or convenient