Answer:
she didn't want to kill Duncan because killing him would seem as if she killed her own father and that decision would give her nightmares
"<span>C. "I won't forget to feed the dog," Helen promised" is free from capitalization errors. Sentences (even if they're direct quotations from a character) need to begin with a capital letter. </span>
This part of the essay represents A, the support. The key phrase is "Another similarity....", which shows us that this paragraph is one of the evidences to support the thesis.
