According to the passage, Frijda's law asserts that emotional responses to events are A. unpredictable because emotional responses depend on how aware the person is of the reality of an event B. weaker if the person cannot distinguish illusion from reality C. more or less intense depending on the degree to which the person perceives the event to be real D. more intense if the person perceives an event to be frightening E. weaker if the person judges an event to be real but unthreatening