大家帮忙看个简单的题，GWD的

       A department manager distributed a number of pens, pencils and pads among the staff in the department, with each staff

        member receiving x pens, y pencils, and z pads. How many staff members were in the department?

(1)     The numbers of pens, pencils, and pads that each staff member received were in

the retio 2:3:4, respectively.

(2)     The manager distributed a total of 18 pens, 27 pencils, and 36 pads.

答案选E，我觉得C 应该就可以了呀？？？

是E，18：27：36=2：3：4 算不出来有多少staff