Vets Voice 兽医好声音Day 553

单选题，正确答案是100分，非正确答案为0分，Good Luck！

Q1:The dog in the photograph was vaccinated earlier in the day. What type of allergic reaction is occurring?图片中的这只狗今天早些时候打了疫苗。这属于哪一类型的超敏反应？

A - Type I