While if this is for work, it should be you answering, but an example of something that makes me feel sad is seeing my loved ones hurt. Something I do well, is being empathic.
I'm pretty sure it would be C, he avoids sentimentality by simply describing the conditions in which enslaved people lived.... hope i helped:)
Answer:
To get this answer you need to read the text. So, the question is asking you is this text a persuasive and if so how? Just try to evaluate it. And Sorry but, I can not answer because I do not know the text you are reading but, I hope this helped. ;)