Many employees of GEOCOM, a company established five years

Many employees of GEOCOM, a company established five years ago, have service vehicles. Since all employees of the quality control department (QCD) live within ten miles of the company’s campus, it can be concluded that none of the employees of the quality control department has a service vehicle provided by the company.

The conclusion drawn above depends on which of the following assumptions?

(A)No employee who lives within ten miles of the company’s campus has a service vehicle.

(B)None of the quality control department employees lives farther than fifteen miles from the company’s campus.

(C)Some employees of the marketing department live within ten miles of the company’s campus and have service vehicles.

(D)All employees who live within ten miles from the company work for the quality control department.

(E)All employees who don’t have a service car are employees of the quality control department.