【单选题】Not until the boys were old enough to understand how commercials tried to promote consumption were they allowed to watch sports programs on commercial television. The basic motto of the household was ...
A.
They were never allowed to watch commercials.
B.
They often watch some nature and sports programs.
C.
They were only allowed to watch television in the evening.
D.
Whenever there was any chance, they were asked to play outside instead of sitting in front of television.