Mr Smith is a strict but good teacher, cares about both our study and life.
A. one who
B. whoever
C. the one
D. the person
网友回答
(答案→)A. one who
B. whoever
C. the one
D. the person
解析：句意：斯密斯先生是一个严格的好老师，是一个既关心学习又关心生活的人。whoever=anyone who,不符合语意，故排除。这里one是teacher的同位语，who引导的是定语从句，它在从句中作主语，不能省略，故排除CD；故选A。