Mr. Trask wants to fill his four hummingbird feeders with liquid food. Two feeders hold 6 fluid ounces each. One larger feeder holds 1 cup of liquid. The largest feeder holds 1 pint. How many fluid ounces of liquid food does Mr. Trask need to fill the four bird feeders?
A. 14 fl oz
B. 28 fl oz
C. 30 fl oz
D. 36 fl oz