题目

When other nine-year-old kids were playing games, she was working at a petrol station．When other teens were studying or going out, she struggled to find a place to sleep on the street．But she overcame these terrible setbacks to win a highly competitive scholarship and gain entry to Harvard University．And her amazing story has inspired a movie, “Homeless to Harvard: The Liz Murray Story”, shown in late April. Liz Murray, a 22-year-old American girl, has been writing a real-life story of willpower and determination．Liz grew up in the shadow of two drug-addicted parents．Ther春秋战国时期，各个学派在建立时大都有一定的地域性，如邹鲁是儒、墨的发祥地；三晋是法家的温床；南方是道家的摇篮；而燕、齐是阴阳家的诞生地。造成这种局面的原因是A．交通落后不便交流 B．语言不同 C．诸侯割据 D．生产力发展水平差异