I need to know this quick. How do collective nouns differ from plural nouns?

A. Only collective nouns can be plural.

B. Collective nouns name a group of people or things, and plural nouns name more than one person, place, or thing.

C. Plural nouns are formed by adding -s to their singular forms, but collective nouns are formed by adding -es.

D. Only collective nouns are formed by adding -s or -es to their singular forms.