When Helen saw her tutor nod to her, she calmed down and went on with her performance．
A. encouragingly
B. amazingly
C. interestingly
D. willingly
网友回答
(答案→)A. encouragingly
B. amazingly
C. interestingly
D. willingly
解析：副词辨析。A鼓励人地。勉励人地；B让人惊讶地；C有趣地；D愿意地；句意：当Helen看见她的老师鼓励地向她点头的时候，她镇定地继续她的表演。故A正确。