The only complete sentence there is C. :)
The given sentence "Mary sings better than Jane does" is a noun phrase whose function is to provide more details regarding the sentence..
<h3>What is a noun phrase?</h3>
A noun phrase, also known as a nominal, is a phrase in linguistics that has a noun or pronoun as its head or fulfils the same grammatical function as a noun.
Noun phrases are extremely widespread across languages and can also be the common sort of phrase whose function is to give more details regarding the sentence.
Thus, the given sentence "Mary sings better than Jane does" is a noun phrase.
For more details regarding noun phrases, visit:
brainly.com/question/11939914
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Answer:
SOMEONE HELP THIS PERSON MY GOSH
Explanation:
HURRY!!
The verb is is because it "is" the plant.