Which of the following is an example of the subject of a book? (There is no book)

A. Dolphins can communicate with one another

B. Whistling is one way that dolphins talk to each other

C. Dolphins

D. Have you ever heard of a dolphin?

the answer is slaves

douglas was a slave who turned into a statesman and he refused to celebrate the 4th of july until all slaves were emancipated or set free.

answer: a lonely woodcutter comes by and decides to chop down the tree, while chopping, connor murphy took a nap next to the tree. waking up from the sound of chopping, he notices the tree falling on him. unable to escape, connor get hit and dies. this was the last of him.

where are the answer choices?