Which sentence implies that the two men are going to follow mr. taft?
a. "mr. taft turned impatiently on his heel and walked away."
b. "from out of the corner of his eye, charley noted the way he went."
c. "several minutes later, when he had disappeared around a corner, charley rose lazily to his feet."
d. "i followed him, and we sauntered off in the opposite direction to that taken by mr. taft."