Four Listeners Provided Criticism After a Speech in Their Statements

Four listeners provided criticism after a speech in their statements below. Which one failed to stress the positive?

A) "The speech just didn't do anything for me."
B) "The example about the stock market would have gained more attention in the introduction."
C) "I felt you were more in control of the topic today than in your first speech."
D) "I would have liked it if you looked directly at me while you were speaking."