单项选择题
A．giving old or humorous examples B．using convincing arguments C．giving eyewitness accounts D．saying that Philip IV of Aragon put a stop to it
A．red beards were more fashionable than black ones B．everyone in fourteenth-century Spain shaved C．false beards were considered foolish by those who had real beards D．the popularity of false beards largely died out after the fourteenth century
A．because they lay their eggs in mountain areas B．to give you a picture of how hard they work C．to tell you that they like to climb D．to tell you that mountain climbers are as slow as turtles