Which sentence choice below does not use the semicolon correctly?

a. i went swimming; nearly drowned.
b. the float trip was fun; the raft didn't tip over.
c. i jumped in the water to wash myself; i came out sparkling clean.

Which sentence corrects the error in pronoun-antecedent agreement? new team members should pick up his or her jersey from the activities office. if a team member is unable to attend a practice, he or she must provide a doctor's note. if students wish to compete, he or she must maintain a grade point average above 2.5. students are not permitted to attend away games without the consent of her parents or guardians.