15. 已知两圆的半径分别为１和２，圆心距是d，若两圆有公共点，则下列结论正确的是1q.Type = "1"; q.ObjectID[q.ObjectID.length] = "rdo_6e4ca49f-9607-4ca1-88a7-e9b931a1e8b2_Response" q.Response[q.Response.length] = "Response"; q.Answer[q.Answer.length] = "";
A. 错误
B. 正确
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