Your correct answer should be A.
Hope this helps, Sorry if incorrect.
Answer:
correct as is
Explanation:
it's mean it is, that doesn't work
their implyies ownership, that doesnt work
they're means they are, that doesn't work
(i checked my answers with grammarly.)
The word imperturbable is define as something or someone that is very calm, very incapable of being upset or agitated or disturb. So based on the definition of the word and how the word is use in the sentence we could say it means "CALM".
Answer:
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