The breathing capacity of nonsmokers exposed to tobacco smoke on the job has been found to be significantly less than nonsmokers working in smoke-free environments, although unrestricted smoking at work is permitted by nearly 75 percent of all employers in the US.
(A)
The breathing capacity of nonsmokers exposed to tobacco smoke on the job has been found to be significantly less than
nonsmokers working in smoke-free environments, although
(Wrong comparison of breathing capacity with nonsmokers)(B)
The breathing capacity of nonsmokers exposed to tobacco smoke on the job has been found significantly less than
nonsmokers working in smoke-free environments, however
(Same as A)
(C)
Although the breathing capacity of nonsmokers exposed to tobacco smoke on the job has been found significantly less than that of nonsmokers working in smoke-free environments,
however (Usage of however is wrong.)(D) Although the breathing capacity of nonsmokers exposed to tobacco smoke on the job has been found to be significantly less than that of nonsmokers working in smoke-free environments,
(Correct)(E) Although the
breathing capacity of nonsmokers exposed to tobacco smoke on the job has been found to be significantly less than
nonsmokers working in smoke-free environments,
(Same as A)