Statement: Lack of stimulation in the first four or five years of life can have adverse consequences.

Assumptions:

A great part of the development of observed intelligence occurs in the earliest years of life
50 percent of the measurable intelligence at age of 17 is already predictable by the age of four.
A. Only assumption I is implicit
B. Only assumption II is implicit
C. Either I or II is implicit
D. Neither I nor II is implicit
E. Both I and II are implicit