系统解析:细节题。根据Your education is nationally recognized! Nearly 2, 000 American companies-including General Electric, IBM, Mobile, General Motors, Ford, and many others-have used our training for their employees. If companies like these recognize the value of our training, you can be sure that employees in your area will, too!说明广告中提到General Electric, IBM, Ford这样的名字说明他们在各个领域培训的价值。C正确。