It means "summer soldier"
The correct answer is C. It contains the correct punctuation
1. "Maria and I are planting a garden."
2. "Theirs is the longest driveway."
3. "The car is showing its age."
4. "The volunteers Sarah and I will answer questions."
A personal pronoun is a short word we use as a simple substitute for the proper name of a person. Each of the English personal pronouns shows us the grammatical person, gender, number, and case of the noun it replaces. I, you, he, she, it, we they, me, him, her, us, and them are all personal pronouns.