Question 2 - Reading and Writing Practice Test for the PSAT/NMSQT Exam

The word whim, as it is used in this passage by Henri Bergson, most nearly means ____.

A man, running along the street, stumbles and falls; the passers-by burst out laughing. They would not laugh at him, I imagine, could they suppose that the whim had suddenly seized him to sit down on the ground. They laugh because his sitting down is involuntary.