Answer:
D. overgeneralization
Explanation:
Based on the information provided within the question it can be said that the kind of cognitive distortion that this is would be overgeneralization. This is a mental thought process in which you generalize a single experience to all the experiences that you are having now and in the future. Which is what Jarl is doing by stating that he is stupid for making a mistake in his french class. Most likely because he has done it before.