Which of the Following Describes the Research Results of Greenough,Withers,and

Which of the following describes the research results of Greenough,Withers,and Wallace (1990) ?

A) Genetically caused brain structure problems can be corrected by positive life experiences.
B) While psychopathology is often a result of early life experiences, it is generally due to the physical changes in the brain caused by such experiences.
C) Psychopathology is the result of early learning experiences.
D) Early experiences such as learning cause physical changes in the brain.