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信息归纳。 下面是一则通告，请仔细阅读，按信息表中的项目要求填写信息。 Have you lost a dog, a cat, or other pets? Let us help you! Dear Pet Owner, You are here because someone very dear to you is lost. We're here because we can help. If you have a missing pet, the most important thing you need to do is get the word out to many people as soon as possible! “There is really only one secret of finding a lost dog—to find the person that last saw your dog. The more people know your dog is lost, the more likely(可能) you are to find your dog！” A picture is 一批零件，甲单独做12天完成，乙单独做13天完成．甲、乙两人工作效率的比是（　　）A．3：2B．2：3C．12：13D．13：12