After his wife's death, it took him two years to get back          .    [ ]

A. in his feet    

B. on his feet    

C. with one's feet    

D. at his feet

当沉浸于对文艺复兴时期的思索中时，人们能够回想起探索与发现的诸种辉煌成就……看起来仿佛是在每一个方面，人类行动的疆界都变得更为广阔。能反映此观点的是（）

①哥伦布发现新大陆②马丁·路德倡导宗教改革

③莎士比亚的《哈姆雷特》④拜伦的《唐璜》

A.①②③

B.①②④

C.①③④

D.②③④