Mr Li began to teach in this school, _______, some time later, she became popular with the teachers and students for her excellent teaching levels.A.whereB.whenC.thatD.which
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A解析本题是由where引导的非限制性定语从句, 先行词为表地点的school, where在从句中作状语, 因句中有时间状语some time later, 可排除when。