Final answer:
The correct sentence is option D, which correctly uses subjective case pronouns as part of the subject. 'We boys, Bonnie, and she' are writing a play for the program.
Step-by-step explanation:
When correcting the sentence for proper pronoun usage, one must determine whether the pronouns function as subjects or objects in the sentence. In this case, the pronouns are part of the subject that is performing the action of writing a play. Therefore, the subjective case pronouns are required. The correct option is D. We boys, Bonnie, and she are writing a play for the program.
Correct pronoun usage is essential in English to convey meaning clearly and properly. Specifically, subjective case pronouns function as subjects (I, we, you, he, she, it, they, who), whereas objective case pronouns function as objects (me, us, you, him, her, it, them, whom). In compound structures, such as the one presented in the question, subjective case pronouns should be used when they are part of the subject group performing the action.