题目:
Consider an individual boy from a model population. Suppose that from age 2 through age 5, this boy's weight is at the 97th percentile for his height and his height is at the 97th percentile for his age. Which one of the following statements must be true of the boy at age 5 years 0 months?
选项:
A、His age is at the 97th percentile for his height.
B、His weight is at the 97th percentile for his age.
C、His height is at the 97th percentile for his weight.
D、His weight is approximately 166% of his weight at age 2 years 0 months.
E、His weight is approximately 197% of his weight at age 2 years 0 months.
答案:
D