4. Part B Which sentence from the story BEST supports the answer in Part A?
A. Caleb Sewell was taken off guard at being addressed as Mister,
especially by a man wearing a suit that Caleb couldn't afford with the
wages of his last month's work.
B. He must never exhaust the horses he would ride six or seven
each day, and they were the lifeline of the whole enterprise.
C. He had no words to explain their disappointment at his wanting to
chart his own course, not to mention how effortlessly he'd settled into
a life on the plains.
D. The horse bolted for the open road, but Calebs deft touch
convinced the horse of the pace they would maintain