【专题 GMAT逻辑题】
Which of the following mostlogically complete the passage?
A recent government study links the highrates of respiratory ailment in Groverston to airborne pollutants released bythe Woodco plywood manufacturing plant there. To address the problem, thegovernment imposed strict regulations on emissions which will go into effect infour years. Although Woodco plans to cut its emissions in half two years aheadof schedule, it is unlikely that the rate of respiratory ailments will declinebefore the regulations go into effect, since .
(A) the number of facilities capable oftreating respiratory ailments is not likely to increase
(B) reducing emissions even further thanplanned would necessitate decreasing production at Woodco
(C) it is difficult to make accurate,long-term predictions about emissions
(D) not all respiratory ailments are causedby airborne pollutants
(E) three new plywood manufacturing plantsare about to go into production in Groverston