In this excerpt of "The Man Who Knew Too Much", by G.K. Chesterton, the innkeeper's revelation that the driver of the car bought sandwiches affects this passage because <em>A. It provides a clue to solve the mystery</em>. Fisher and March are trying to find how the man died. When they go to the bar and the innkeeper tells them he bought a sandwich they realize that a man who is about to commit suicide won't care for a sandwich, so he probably didn't commit suicide.
