I think it is D - supporting detail, just a guess tho
The answer is C. Appearing to be calm and relaxed
The correct answer would be letter B. No revision is necessary. There is no revision needed in the sentence because the rules in using quotation marks and other punctuation marks are applied and they were placed correctly in the given sentence.
The answer would be choice A. The doctor is discriminated despite being talented and is most likely left feeling hurt.
The first word in the sentence is a pronoun- not an adjective.
The second option - Australian is in fact an adjective, it gives some information about the terrier.
the second option - children - is a noun, so it is not an adjective.
And the last option is a verb,
So the correct answer is B - this is the only adjective.