Show the statement so I can help
A
Act 3 Scene 4. Lady MacBeth who is at that point trying to explain away MacBeth's what looks like an epileptic fit. As an aside she questions his manhood to get him out of the trance.
Depends on where it is in the play. I can't answer this.
Answer:
a. Our car is making a chugging noise. It sounds ominous.
Someone would use the ethos appeal to enhance their credibility about a certain topic.