质疑一个逻辑题目答案

  In response to mounting public concern, an airplane manufacture implemented a program with the well-publized goal of reducing by half the total yearly amount of hazardous waste generated by its passanger-jet division. When the program began in 1994, the division's hazardous waste output was 90 pound per worker. last year it was 40 pound per worker. Therefore, charges that the manufacturer's program has not met its goal are false.

B: at least as many passanger jets were produced by the division last year as had been produced in 1994

D: the number of production workers assigned to the passanger jet division was not significantly less in 1994 than it was last year.

  我选E，答案给B，我觉得我对