下列属于自强精神表现的有( )①在困难面前不低头,不丧气 ②逃避问题,得过且过③勇于开拓,积极进取 ④志存高远,执著追求
A:①③
B:①②③
C:①③④
D:①④
After working all day,he was so tired that he was in no______to go to the party with us.