Answer:
No one knows
Explanation:
In October 1871, dry weather and an abundance of wooden buildings, streets and sidewalks made Chicago vulnerable to fire. ... Legend holds that the blaze started when the family's cow knocked over a lighted lantern; however, Catherine O'Leary denied this charge, and the true cause of the fire has never been determined.
Noticing nice things about people, and telling them, is an example of consideration.
From the options above the one with strongest connotation to replace one poor word would be: (C) Miserable
Speech is not innocent and words are sometimes, consciously or unconsciously, charged with an interpretation different from what is said. In this miserable case it could be taken in a derogatory way or simply as a person who is having a bad time and being very sad feels miserable. Although surely, there could have some other interpretation of the word.