Answer:
Who:Who are you?
What:What is an earthquake?
Which:Which side won?
That:He spoke so well that everybody was pleased.
Whom:She saw a lady whom she presumed worked at the store, and she asked her a question.
Whomever:Harry should give the award to whomever he thinks deserves it.
Whoever:Whoever he was, he was as strong as a lion.
The tone which is not effective for convincing people that they should subscribe to your perspective is definitely C) sarcastic. Nobody is going to listen to you if you offend or mock them.
Answer:
When you go to a job interview it is best to be smartly groomed from head to toe.
