4. The 2015 Nobel Prize in Medicine was to Chinese female scientist To Youyou, who discovered Qinghaosu in 2011.
A
returned
B
awarded
C
abandoned
D
rewarded
句意为：2015年诺贝尔医药学奖颁给了中国女科学家屠呦呦，她在2011年发现青蒿素。A返回B颁奖C放弃D获得。所以选择B。
此题是动词辨析，首先明确语境，其次判断缺位动词。
动词意思。