单项选择题
A．pick up a watch B．hide the fact that he had found the watch C．pick up the watch that has slipped off his wrist D．pretend that he had found the watch
A．children from families B．young men who are healthy and wealthy C．old people who have been successful D．those who enjoy the goodness of each age
A．get a higher pay B．have enough time to stay with their children C．have more time for rest D．do more housework