单选题) The experiment designed by the two researchers aimed at finding out ( )(本题3.0分)
A、 how business is conducted by all executive and a visitor
B、 how to tell the differences between an executive and a visitor
C、 how to tell businessmen at a glance
D、 how businessmen indicate status
出自:黑龙江省教育学院高级英语阅读(专升本)