Simone was a moderately shy infant whose very extroverted parents rarely gave her time to adapt to a new social situation before thrusting her into another one. This style of parenting led Simone to become an extremely shy child as she entered school. This illustrates that:.
a. nurture is more important than nature. b. nature is more important than nurture. c. inherited temperaments can be dynamically modified by learning, even negatively.
d. shyness is a lasting trait that cannot be modified by experience or learning.

This illustrates that "inherited temperaments can be dynamically modified by  learning, even negatively".

Option: C

Explanation:

The identical temperaments can be due to common biology within a family and to the setting in which an person is born. Temperament involves behavioral characteristics such as friendly or nervous sociability, emotional expression such as easy-going or quick-to-react, level of physical activity such as higher or lower energy, etc. But such genetic temperament can be modified by making them to learn better things, which completely depends upon the new environment, which is applicable for Simone's parents to motivate Simone for adopting the surrounded life style.