问题详情

Which of the following is NOT Professor McKay"s view？
A．People change in old age a lot more than at the age of 21.
B．There are as many sick people in old age as in middle age.
C．We should not expect more physical illness among old people.
D．We should not expect to find old people unattractive as a group.请帮忙给出正确答案和分析，谢谢！