Why Do Adults in Developed Countries Devote More of Their

Why do adults in developed countries devote more of their leisure time to watching television when television viewing is such an unsatisfying experience?

A) It is easy and requires little of them.
B) Most television is so educational that much can be learned.
C) People are too heavy to do much else.
D) People are so overworked that they have no energy left for anything else after the workday.