Answer:
Explanation:
i think its b tho im not really if i am correct so if im wrong im sorry
Answer: A) What are you doing here?
Explanation: Interrogative sentences have question marks, so B and C can be eliminated. D's grammar is clearly wrong, so that leaves us with A.
Hope this helps :)
When the -ing form of a verb is used as the main verb of the predicate, the auxiliary must contain a form of <u>be</u>.
<h3>What is a verb?</h3>
It should be noted that a verb simply means a action word that's used to illustrate that something has occured.
In this case, when the -ing form of a verb is used as the main verb of the predicate, the auxiliary must contain a form of be.
Learn more about verb on:
brainly.com/question/1718605
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