John H. Watson, known as Dr. Watson, is a fictional character in the Sherlock Holmes stories by Sir Arthur Conan Doyle. Watson is Sherlock Holmes' friend, assistant and sometime flatmate, and the first person narrator of all but four of these stories.
C. bandwagon appeal
I'm doing a test that asked this question thought I should help :)
A) my dog gave birth to a large litter of puppies. the collective noun is litter. because llitter is singular but it is actually plural. the plural of litter is litters. which means different types of litters.