Which of the following is CORRECT？A．Dogs are now treated as part of a family.B．Dogs still

Which of the following is CORRECT？

A．Dogs are now treated as part of a family.

B．Dogs still perform. all the duties they used to do.

C．People now keep dogs for the same reasons as before.

D．Only old people are seen walking their dogs.

请帮忙给出正确答案和分析，谢谢！