[单项选择]B Lying in the sun on a rock, the cougar(美洲狮)saw Jeb and his son, Tom, before they saw it. Jeb put his bag down quickly and pulled his jacket open with both hands, making himself look big to the cougar. It worked. The cougar hesitated, ready to attack Jeb, but ready to forget the whole thing, too. Jeb took off his jacket, grasped Tom and held him across his body, making a cross. Now the cougars enemy looked even bigger, and it rose up, ready to move away, but unfortunately Tom got scared and struggled free of Jeb. “Tom, No!” shouted his father. But Tom broke and ran and thats the last thing you do with a cougar. The second Tom broke free, Jeb threw himself on the cougar, just as it jumped from the rock. They hit each other in midair and both fell. The cougar was on Jeb in a flash, forgetting about Tom, which was what Jeb wanted. Cougars are not as big as most people think and a determined man stands a chance, even with just his fists. As the cougars claws g
A. They are afraid of noises.
B. They hesitate before they hit.
C. They are bigger than we think.
D. They like to attack running people