"The Old Man and the Sea" by Ernest Hemingway

"The Old Man and the Sea" by Ernest Hemingway
-Why does Santiago not let his lines drift like the other fishermen?

A) he is a stubborn man who prefers the old-fashioned way of fishing.
B) he believes it is imprecise, and he strives always to be exact.
C) it is dangerous, as he might become tangled with another boat
D) he is no longer young or strong enough to control a drifting line.