Considering the Textbook's Definitions of Threat and Challenge, Identify the Situation

Multiple Choice

Considering the textbook's definitions of threat and challenge, identify the situation below that is most likely to pose a threat rather than a challenge?

A) You think you can probably make the basketball team, but only if you practice every day at home.
B) You're asked to climb up a twenty-foot rope hanging from the ceiling.You've climbed ten feet before, but you've never climbed twenty feet.
C) You've invited a professor to dinner and are trying a recipe you've never tried before.
D) You are required to take a college course in nuclear physics, even though you failed basic physics in high school.