The correct answer is: C: The sentence has a compound subject. Subject in sentence is<span> the person or thing about whom the statement is made. Every verb in sentence must have at least one subject. But that doesn't mean that it is the only possibility: namely, the verb can have more than one subject, too. In such cases, we can say that a sentence has a compound subject. In this sentence: "Conrad and his sister will sing a duet in the concert.", compound subject is: "Conrad and his sister", since the statement is about the both of them.</span>
Answer: B) Gerund phrase
Explanation: A gerund is a word like jogging, swimming, a word with -ing, and waking is one of them, so this is a gerund phrase.
Im pretty sure u write a doc. although im not sure what about
C is the answer. Sleep deprivation is the only claim that has hard evidence behind it, the others are unsupported or speculation.