Which sentence is written in the second person?

A. it took forever for you to change your mind.

B. what would it take to change jean's mind?

C. i didn't think it was possible i'd change my mind.

D. when exactly did jean change her mind?

A. it took forever for you to change your mind.

Explanation:

First person uses the pronouns, "me, myself, I, etc."

Second person uses "you"

Third person uses names, "him, her, them, they, it, etc."

A. it took forever for you to change your mind.

Explanation:

First person is 'I', 'me', 'we', and more. Option C is in first person.

Third person is he, she, they, them, and more. Options B and D are in third person.

Second person addresses the reader, with pronouns such as 'you'. Option A is on second person.