There Are Wide Variations in the Onset and Progression of Puberty.Which

Multiple Choice

There are wide variations in the onset and progression of puberty.Which of the following is an appropriate example?

A) Puberty might begin as early as 10 years of age or as late as 13 ½ years of age for boys.It might end as early as 13 years of age or as late as 17 years of age.
B) Puberty might begin as early as 8 years of age or as late as 13 ½ years of age for boys.It might end as early as 12 years of age or as late as 17 years of age.
C) There is no prediction of when puberty will begin or end-not even within a range of years or months.
D) There is an exact prediction of when puberty will begin.