Jim, Who Is 60, Could Not Understand Why He Kept

Multiple Choice

Jim, who is 60, could not understand why he kept slowly gaining weight. He was eating the same amount of food that he had each day since he was 20, and he got regular exercise. What could explain his weight gain?

A) His metabolism had slowed down.
B) He is likely very ill; this situation is very unusual.
C) He really was not gaining weight; his height was decreasing.
D) He overate due to regular exercise.