单选题在和求助者进行会谈时，应该保持（）米的距离。A1.2B1.5C2.0D2.1
单选题
在和求助者进行会谈时，应该保持（）米的距离。
A
1.2
B
1.5
C
2.0
D
2.1
参考解析
解析：
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