宋史专家邓广铭说：“宋代物质文明和精神文明所达到的高度，在中国整个封建社会历史时期之内，可以说是空前的。”下列史实能佐证上述观点的有

①城市中固定的娱乐场所叫瓦舍  ②士人的地位很高

③丰富多彩的农村城市生活　    ④雕版印刷术等科技的发明

A．②③④

B．①③④

C．①②④

D．①②③

It was until last year that he ______.

A．left his home town for a new start 　

B．came to realize the importance of leaving English

C．worked as an English teacher at a middle school 　

D．set out to build a new house of h his own