"The word's 'supposedly,' by the way," I said. "What are you talking about?"

"You said 'supposably' before," I said.

"I did not!"

"Yeah you did," Charlotte nodded. "You said the science elective is supposably really hard. I heard you."

"I absolutely did not," he insisted.

"Whatever," said Jack. "Let’s just go."

Finn is not sure that he understands this conversation.
What could Finn ask himself as he reads to best understand the paragraph?
A. Where are the characters?
B. Where did I lose track?
C. Why does this not make sense?
D. Why does the author write this?