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【单选题】
重点调查是在调查对象中选择一部分重点单位进行调查，这里的重点单位是指 （ ）。A.
处于较好状态的单位
B.
体现当前工作重点的单位
C.
具有所研究现象的总量在总体总量中占有很大比重的单位
D.
总体中的典型单位
拍照语音搜题，微信中搜索"皮皮学"使用
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