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."
</span>
The meaning of the word "expedient" most likely means practical or convenient
The answer is definitely C
A good one is In A Wind Storm in the Forests, John Muir uses descriptive language to
bring out the full beauty of the winds. He does this by appealing to the
senses. Particularly, sight and sound are emphasized in this passage.
He attempts to make the readers truly appreciate the subtle miracles
present when the winds are at play.
