Seek help !!

janep78

A private bus company gained greater profits and provided bus service to the area at lower fares by runing buses more frequently and simulating greater ridership .Hoping to continue to these financial trends,the company plans to replace all older bused with new,larger buses,including some double-decker buses.
The plan of the bus company as described above assume all of the following except:
A.the demand for the bus service in the company's area of sevice will increase in the future
b,increased efficiency and revenues will compensate for any new expensesthe company incurs
c the new buses will be sufficienly reliable to ensure the company a net fiancial gain once they are in place.
d,Driving the new buses will be no more difficult than driving the buses they are to replace.
E.the larger,double-decker buses will not face obstacles such as height and weight restrications in the bus company's area of service.

Ans:d
Why??

justag

D is the most obvious among all choices.The passage addresses profits(i), fares(d), frequency(i) and ridership(i) and doesn't mention the driving skills at all (not related). At least other choices address some related issues, right? Read them carefully, you can undertand well

index: i-->increase, d-->decrease