A freight train departs from one train station to its destination at a constant speed. Suppose the distance the train is from the station in miles is represented as a function of the number of hours after the train departed from the train station. If the graph of the function passes through the points (0.5, 135) and (2,81), what is the distance between the train station and the freight train's destination? (1 point) A. 189 miles B. 171 miles C. 153 miles D. 162 miles