Answer:
b. discrimination
Step-by-step explanation:
Discrimination -
It refers to the unfair practice or behavior against various categories of people or any other organisms , is referred to as discrimination .
It is a unjust practice where the discrimination can be due to different caste , gender , race , category of people .
Hence , from the given scenario of the question ,
The discrimination is done for the dog who has bitten him , not against any other dog .
Hence , the correct option is b. discrimination .