According to the Text, What Is the Difference Between a Challenge

According to the text, what is the difference between a challenge and a crisis?

A) Challenges are stressors that families can adapt to without formal assistance; crises are acute challenges that cannot be adapted to without formal assistance.
B) Crises involve a point in time in which stressors have accumulated beyond the level of individual adaptability; challenges are chronic stressors.
C) Challenges are short-term situations that require adaptation; crises are chronic situations that require adjustment.
D) Crises are short-term situations that require adaptation; challenges are stressors that families cannot adapt to.