Augi Carefully Plans Out an Early Morning Exercise Routine to Lose

Augi carefully plans out an early morning exercise routine to lose weight and get fit. When it's time to work out, however, Augi just "doesn't feel up to it" and decides to sleep in. Behavioral economics would say that Augi

A) weighed the costs and benefits and made a rational economic decision to sleep in.
B) used System 1 of her brain to formulate her workout plan, but then gave in to System 2 when she chose to sleep in.
C) used System 2 of her brain to formulate her workout plan, but then gave in to System 1 when she chose to sleep in.
D) is fundamentally lazy and incapable of sticking to a workout plan.