Fact Pattern Beth,who Has a Disability,is an Employee of Corporate Office Company

Fact Pattern
Beth,who has a disability,is an employee of Corporate Office Company (COC) .After the installation of new doors on COC's building,Beth finds it nearly impossible to get in and out.For repeatedly failing to be on time,COC replaces Beth with Dian,who does not have a disability.
-Refer to Fact Pattern 22-2A.To succeed with a claim against COC under the Americans with Disabilities Act,Beth will have to show that

A) Beth consistently met the essential requirements of her job.
B) COC refused to make reasonable accommodation for Beth.
C) Dian is unqualified for Beth's position.
D) the doors were installed as an act of intentional discrimination.