I found it very difficult to get up so early before, but I did finally .
A. used to getting； managed
B. accustomed to getting；manage
C. used to get； managed
D. accustomed to get； to manage
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A. used to getting； managed
(答案→)B. accustomed to getting；manage
C. used to get； managed
D. accustomed to get； to manage
解析：本题考查短语及时态。be /get used/accustomed to doing习惯做某事。英语中经常用助动词do/does/did起强调作用，故第二空用manage。选B。