Many parents think that, instead of watching a lot of TV, their children should______.

A．They often go for walks at a leisurely pace.
B．They usually have a specific purpose in mind.
C．They like the seaside more than the countryside.
D．They seldom plan their leisure activities in advance.

A．The color of the dog.
B．The price of the dog.
C．Whether the dog will fit the environment.
D．Whether the dog will get along with the other pets in the house.