The correct answer is a.: specific.
This structure (this +adj) requires an adjective and the only adjective is in a., the other options are verbs or nouns and are not correct.
<span>Macbeth realizes Banquo knows too much about the witches prophecies regarding the kingship
</span>
he appears mentally unstable and guilty of murder
that Macbeth has had such fits since his youth
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The descriptions, actions, and quotations given in the passage tell us that the subject is silly and she could not understand her conversation with the vet.
The given passage has been taken from "Bone Detective: The Story of Forensic Anthropologist Diane France, Lorraine Jean Hopping"
The passage talks about a conversation between the vet Mary and Diane. Diane was told that alginate was a pink gummy material used to make moulds of teeth.
Diane was silly and so innocent that she thought the same could be applied on humans. She used it on her tongue without even realising that is is meant for animals.
Therefore, the descriptions tell us that the subject was silly.
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D.) the last one because it explain mode details about the question and the other ones don’t
