Read the excerpt, and then answer the question.
"Mr. Gray was thirty-eight, and tall and slender…unsentimental, and with that kind of trim-chiseled face that just seems to glint…with frosty intellectuality!"


"A Dog's Tale." Mark Twain, 1904.

Based on the excerpt, the narrator's description most reinforces which of Mr. Gray's character traits?
A. fitness
B. spitefulness
C. understanding
D. heartlessness