单选题 The scientists and his achievements ______ you told me about are loved by us all.
A. which B. who C. that D. whose

【正确答案】 C

【答案解析】[解析] 定语从句语法题。当定语从句的先行词为：“人+物”时，引导定语从句的关系代词要用that，所以正确答案为[C]选项。