The answer is B.
Charley noting/remembering the way Mr.Taft went is an implication that he will eventually have to remember the direction so he can follow him.
wood yellow a in diverged roads TwoRoaTwoRo
it means when you are all over someone .
In paragraphs, a stated main idea is called the topic sentence. In an article, the stated main idea is called the thesis statement. When the author does not state the main idea directly, it is called an implied main idea.