B because the word very is showing how well he is smart and helping to explain.
Answer:
Making an inference involves using what you know to make a guess about what you don't know or reading between the lines. Readers who make inferences use the clues in the text along with their own experiences to help them figure out what is not directly said, making the text personal and memorable.
Explanation:
The answer would be c - interjection. Interjections are words or phrases that express emotion. Examples would be wow, awesome, ummm, etc. These are not appropriate for formal writing but used constantly in daily communication.