Nonverbal cue include all the communication that need not be spoken in order to determine the meaning. This includes body movement, nuances of the voice, bodily orientation, etc.). The nonverbal cue of warmth or hotness in this item is
"shaded her eyes with her open hand on her brow".
The answer is A. relating to the literal meaning of a word
an infirmary is "a place where the infirm or sick are lodged for care and treatment."
Ethos is the ethical appeal meaning to convince someones credibility. I think that B or C would be the right answer.