A person's chronological age is decided by______. A.his mental age B.a test given to him C.his date of birth D.compared his performance in a test with that of people of the same age
A.A.his B.a C.his D.compared
【参考答案】
C 解析：本题为推断题。由文中第四段最后两句对心理比率的定义及计算方法的举例，我们可以推断出“chronolog......