朋友傍晚散步, 被同样散步的狗莫明其妙扑上来咬了一口。带狗的不是狗主人。 今天狗主人回来,跟朋友通了电话,不nice, he said my friend moved his arm and caused it. 请教老猫, 这样的情况,朋友该怎么办? Thank you very much!