Read the following context and choose the best option to answer the question.
Context: Today we went in to get Oscars Spring Vaccinations . The vet gave him a clean bill of health but he had a red swollen bubble like thing on his front left paw . So the vet said he was going to " Lance " it and see if that helps .
Question: What animal may Oscar be ?
Options: 
A. A dog
B. None of the above choices .
C. A horse
D. A fish


A