【题目】The best student of the year shared his experience of he had managed to achieve excellence in his preparation for the college entrance examination.
A.if
B.how
C.what
D.that

【答案】B
【解析】句意：今年最优秀的学生分享了他在准备高考时如何做到优秀的经历。A. if”是否“；B. how”如何“；C. what”什么“；D. that无实意。此处表示如何取得优秀的，故选B。