单项选择题
A. choose two persons with different intelligence B. choose two persons who are relative C. take out two persons of close relationship D. pick any two persons
A. a member in that organization B. a well-trained surgeon C. a graduate from American College of Surgeons D. a distinguished surgeon in America
A. he dined out with his adult friends at Howard Johnson’s B. he could no longer come up with various ways of deception C. he had dinner with his friends at a certain local restaurant for the second or third time D. he was not careful enough to be aware of his entire helplessness in face of written words