I've never read "Charles" but I would say it would be
C) <span>Laurie's teacher, who prides herself on being calm, loses her temper.</span>
The correct answer is 4: Cassius cannot believe that a weakling like Caesar has become so great. Cassius complains of being forced to bow before Caesar (he "must bend his body If Caesar carelessly but nod on him"), and the fact that Caesar has suffered from fevers and seizures makes his submission to him all the more enraging. Cassius does not believe himself to be less than any other man, much less one who has such weak health.
C.) To look for food and water