Read these lines from the speech:
“Many years ago the great British explorer George Mallory, who was to die on Mount Everest, was asked why he wanted to climb it. He said, "Because it is there."”
Why did Kennedy use this example?
A. to draw the new generation to adventure sports and mountain climbing
B. to emphasize his point that the human spirit is indomitable
C. to emphasize that people should take interest in space exploration
D. President Kennedy was praising the university’s role in promoting space travel.