Pls help I really need to get it right

Bryan has written the following sentence as part of a draft in a narrative passage.
A member of the audience raised their hand during the city council meeting.
Which of the following is a correct revision of Bryan's sentence?
A
A member of the audience raised my hand during the city council meeting.
B
A member of the audience raised its hand during the city council meeting.
C
A member of the audience raised her hand during the city council meeting.
D
A member of the audience raised your hand during the city council meeting.