Which of the following is an interrogative sentence?

a. don't go.
b. where are you going?
c. they questioned where he was going.
d. she isn't telling him where she is going.

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.