单项选择题
A．He ran a red light and collided with a truck. B．He sacrificed his life to save a baby girl. C．He was killed instantly in a burning car. D．He got married to Karen’s mother.
A．By finding sufficient support for implementation. B．By taking into account their own ability to change. C．By constantly keeping in mind their ultimate goals. D．By making detailed plans and carrying them out.
A．By doing odd jobs at weekends. B．By working long hours every day. C．By putting in more hours each week. D．By taking shorter vacations each year.