问题
选择题
Yuan Longping, one of the greatest scientists in China, ______ as "father of hybrid rice". [ ]
A. is regarded
B. has regarded
C. is regarding
答案
答案：A
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Yuan Longping, one of the greatest scientists in China, ______ as "father of hybrid rice". [ ]
A. is regarded
B. has regarded
C. is regarding
答案：A