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【单选题】
当一条MO消息到ISMP进行鉴权时，ISMP先对SP服务号码进行匹配，按照（）的原则进行。如果匹配不成功，则按照最长匹配＋模糊匹配的原则进行匹配。
A.
精确匹配+最长匹配
B.
精确匹配+模糊匹配
C.
模糊匹配+最长匹配
拍照语音搜题，微信中搜索"皮皮学"使用
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A.
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