单项选择题
A．the man was too tired to leave B．the man paid the bill every time he brought it to him C．he lidded his job very much D．he was kind-hearted
A．fly out toward the sun B．look for a new resting place C．come back to their home D．go out and look for food
A．to occupy the best resting places B．only when it is dark C．to protect their homes from outsiders D．when there is not enough food