我是一个初中英语老师,向你求助!

我是一个初中英语老师,向你求助!
When she looked ahead, Florence Chadwick saw nothing but a solid wall of fog. Her body was numb. She had been swimming for nearly sixteen hours.Already she was the first woman to swim the English Channel in both directions. Now, at age 34, her goal was to become the first woman to swim from Catalina Island to the California coast.
On that Fourth of July morning in 1952, the sea was like an ice bath and the fog was so dense she could hardly see her support boats. Sharks cruised toward her lone figure, only to be driven away by rifle shots. Against the frigid grip of the sea, she struggled on—hour after hour— while millions watched on national television.
Alongside Florence in one of the boats, her mother and her trainer offered encouragement. They told her it wasn’t much farther. But all she could see was fog. They urged her not to quit. She never had . . . until then. With only a half mile to go, she asked to be pulled out.
Still thawing her chilled body several hours later, she told a reporter, "Look, I’m not excusing myself, but if I could have seen land I might have made it." It was not fatigue or even the cold water that defeated her. It was the fog. She was unable to see her goal.
Two months later, she tried again. This time, despite the same dense fog, she swam with her faith intact and her goal clearly pictured in her mind. She knew that somewhere behind that fog was land and this time she made it! Florence Chadwick became the first woman to swim the Catalina Channel, eclipsing the men’s record by two hours.
Which of the following is ture?
A.People had to use guns to drive away some sharks in the sea.
B.Florence spent less time swimming across the Catalina Channel than men.

B 是正确的