Gerund phrases always end in -ing are used as a. noun b. adverbs c. pronouns d. adjectives

A

Explanation:

From my knowledge, gerund phrases (most of the time) works as a noun. Though they can act as a complement, object, or a subject.

the answer is most likely c. it shows us that the rules that the pigs make can change on a whim whenever it suits the pigs purpose.

hope this

what excerpt? i would generally think a.