Identify Which Revision of the Following Sentence Has No Errors

Identify which revision of the following sentence has no errors in spelling or sound-alike words: In the begining, my roomate was just awful; we got into a lot of arguements.

A) In the beginning, my roomate was just awful; we got into a lot of arguements.
B) In the begining, my roommate was just awful; we got into alot of arguments.
C) In the beginning, my roommate was just awful; we got into a lot of arguments.
D) There are no errors.