It was in the primary school he studied he knew how to be an honest person.
A. where, that
B. where, which
C. that, which
D. which, that
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(答案→)A. where, that
B. where, which
C. that, which
D. which, that
解析：第一空考查定语从句先行词school关系词where在从句中做状语；第二空考查强调句型it was +被强调部分 +that…. 句意：就是在他学习过的小学中他知道怎样做一名诚实的人。