D) It teaches the reader to expect impulsive behavior from Mr. White's interactions with the guest the Whites are expecting.
Explanation:
The correct answer is It teaches the reader to expect impulsive behavior from Mr. White's interactions with the guest the Whites are expecting. His chess play is characterized as "involving radical chances" that expose his most valuable game piece. He ignores the apprehension of his wife and tries to distract his son from his "fatal mistake."
