The correct answer is D. Comprises.



1. Understanding the Terms:
- Comprised: This is the past tense of the verb "comprise," which means to include or consist of. It would be incorrect in this context because the sentence is in the present tense.
- Comprise: This is the base form of the verb, but it does not agree with the singular subject "The class."
- Comprise of: This phrase is incorrect because "comprise" does not require the preposition "of." The correct usage is simply "comprise" without "of."
- Comprises: This is the correct form of the verb for the present tense and agrees with the singular subject "The class."

2. Grammar Rule:
- Subject-Verb Agreement: In this sentence, "The class" is a singular subject, so the verb must also be singular. The verb "comprise" should be in the singular form, which is "comprises."
- Usage of "Comprise": The verb "comprise" means "to consist of" or "to be made up of." When used correctly, it means that the whole (the class) is made up of its parts (more boys than girls).

Summary:
- "Comprises" is the correct choice because it is the singular present tense form that agrees with the singular subject "The class." The correct sentence is: "The class comprises more boys than girls this session."