Which of the Following Adaptations to the Workplace Would Not

Which of the following adaptations to the workplace would not be required of an employer in order to comply with a duty to accommodate?

A) creating wheelchair access
B) installing ergonomic workstations
C) outfitting an office with a speaker-phone
D) allowing dogs into the workplace
E) Building a new office building at a cost of $1 billion to accommodate a single employees sneezing caused by her non-medically diagnosable adverse reaction to "something" in the old building.