Which of the Following Demonstrates the Use of a Gender-Neutral

Which of the following demonstrates the use of a gender-neutral term?

A) The instructor told the class, "Everyone should take out his pencil to start the test."
B) The mailman usually delivers the mail around one o'clock in the afternoon.
C) Hillary wondered if every chairman in the world acted like the one at her company.
D) Six new firefighters were hired by the village after more funding was provided.