Who Is Most Likely to Be Enjoying a Lifetime Peak

Who is most likely to be enjoying a lifetime peak in both fluid and crystallized intelligence?

A) Evelyn, who is the valedictorian of her high school class
B) Chris, who is a stock trader and has just celebrated his 30th birthday
C) Amelie, who is 44 and a cardiothoracic surgeon
D) William, who is 60 and the managing partner of a major global law firm