Thomas is studying the daily electric power used by his town. He has summarized the power consumption of his town over the course of an average day in the graph below. Judging from his data, which of the following inferences could Thomas make? A. Consumption drastically decreases at 7:00 a. m. because this is when people go to sleep and turn off their electronic devices. B. Clothes driers and refrigerators require the greatest input of electricity in order to function. C. People in Thomas' town tend to use electricity at a constant rate over the course of most days. D. Consumption rapidly increases at 7:00 a. m. because this is when people wake up for work and school and turn on electrical devices.