B. Direct quote. Without evidence that this was said by an expert in the field, it can't be C, an expert option. And since in fact no one else is mentioned to be speaking, B is the only choice.
A, because it is logically sound
Central Ideas and supporting details
Yesterday was very lively due to our schools semiannual spelling bee. As you know, many of our students are striving for academic excellence. In order to achieve this, many teachers have urged students to participate in the spelling bee. During the spelling bee, students were given words that were often misspelled within their essays and quizzes. Some of these words included breathing, consciousness, problem, and hypersomnia.
