I think its A. I read about it here.
Dependable means constant, you can always count on them. Inconsistent means they are wishy washy and unpredictable.
Answer: C. Enjoy watching others play
Explanation: vicarious means that something is done by another person, it also can mean experience in the imagination through the feelings or actions of another person. In this case, if your enjoyment of sports is vicarious, it means that you enjoy the sports through the actions of others, that is to say that you enjoy watching others play.
The correct answer is D. tone.
Tone describes general character or attitude.