Dana, who has a disability, is an employee of ABC. After the installation of new entry doors, Dana finds it nearly impossible to get into and out of the ABC building. For repeatedly failing to be on time, ABC discharges Dana. Dana is replaced by Gerta, who does not have a diability. Dana files a claim against ABC under the Americans with Diabilities Act of 1990. To succeed, Dana will have to show that.

A. Dana is consistently met the essential requirements of her job

B. Gerta is un qualified for Dana's position

C. ABC refused to make resonable accommodations for Dana

D. All of the above