Which of the following sentences demonstrates correct pronoun-antecedent agreement?
A.
When the flute players got on the bus, the director made him or her sit in their seats quietly.
B.
Larry and Ryan worked together to make sure that his guitars played the notes exactly right.
C.
Erica and I begged our parents to let us go on summer vacation with our cousins this year.
D.
Each member of the debate team is ready to compete should they be called to do so today.