After xrays and blood tests , they found out that she has a sinus infection and tonsilitis . Did n't know that dogs could get that . Anywho , in other news , I am doing a clean sweep of my apt . I ' ve given away , thrown away , boxed up , packed up , and moved a ton of things so far .

Question: Why did they do xrays and blood tests ?
Answer: Because there was possibly something physically wrong with their dog .Because the writer did n't know dogs can get tonsilitis .None of the above choices .Because the writer did n't know dogs can get sinus infections .