Answer:
Stretching your legs before a run
My answer would be C.) Slowly increasing the amount of time spent stretching.
Because if you do a good amount of stretching per day, while gradually increasing the time spent stretching, then you are bound to become more flexible around the hips :)
According to the 37 page report published by the IFMA titled "Sustainability in the Food Service Environment" in 2011, it is estimated that 80% of the total energy spent at US restaurants are wasted. From the same report it was determined that the wasted energy comes from inefficient appliances, AC and ventilation system, and refrigerators producing excess heat and noise.