Things Have Changed Since Betty Joined the Sales Force

Things have changed since Betty joined the sales force.Ten years ago she was virtually alone in the sales cubicles,now she shares her space with five other women and six men.The reason for this could be that:

A) more of the buyers are women,so management decided to balance its sales force.
B) management liked her performance so much they hired more women.
C) there were additional training grants available to companies that hired women.
D) with employment laws changing,management decided they had better hire more women.
E) businesses are finding that gender is not a barrier to success in selling.