Why does Paine describe the solders who "shrink from the service of [their] country" as the "summer" solder and "sunshine" patriot? A) because Paine is interested in praising them for their positive virtues. B) because Paine believes that America will only be free if it maintains its optimism C) because they are "fair weather" friends who abandon their cause at the first sign of trouble D) because Paine thought that the revolution should occur during the summer months, rather than the winter