Ronald Reagan's Optimism and Receptivity to Advice Can Be Traced

Ronald Reagan's optimism and receptivity to advice can be traced to

A) the crumbling of his boyhood world and the resulting inner chaos that motivated his search for external order.
B) his competition with and aggression toward his father.
C) his low self-esteem and self-confidence.
D) his boyhood preference for an energetic attack on obstacles in his path and the avoidance of emotional and intellectual ambiguities.