Contract, background of that business
D, I'm pretty sure that it's supposed to be "the can of potatoes sat on their shelf"
The correct option is C.
The hook of an essay refers to the first sentence or the first two sentences of the essay which serves as the introduction and whose function is to grab the attention of the readers. These introductory sentences will help the readers to decide whether they want to read the essay or not; therefore they serve as the hook with which the readers are hooked.
