Identify Which Revision of the Following Sentence Is Correct

Multiple Choice

Identify which revision of the following sentence is correct:
Every computer student should have their own individual e-mail address.

A) Every computer student should have his or her own individual e-mail address.
B) Every computer student should have your own individual e-mail address.
C) Either A or B can be correct depending on the intended meaning of the sentence.
D) Neither A nor B is correct.