It would be B.Unsure.. It says to take your "best Guess". If you were positive, confident, or convinced of your answer you would not "guess".
Yup it is correct that one
Answer: Early american english is more fomal
Explanation:
This is an example of SUMMARIZING. Summarizing involves the condensation of a large volume of article to a smaller version of essential points; it gives a brief statement of the main point. Summarizing helps students to discern the most important ideas in the articles they read. It also helps students to disregard unimportant points in the text and to integrate the central theme in a meaningful way.