I would say C.
When he moves to a new company, he applies the same principles. Simon is probably acting in terms of an adjustment heuristic.
Answer to page 1: B. summer
Answer to page 2: B. The Northern Hemisphere is tilted toward the sun.
Answer to page 3: C. Earth's Norther Hemisphere experiences winter in December because Earth's Northern Hemisphere axis tilts away from the sun.
The answer is: C. both a and b
Midlife transition typically happen between the age of 35 -45. During this period, people would often conduct a self-examination on whether they are fulfilling their true potential in their life. If they believe they don't, then they would most likely experience a midlife crisis and started to seek various excitement to cope with the desperation.