A monkey in Zoo becomes lucky if he eats three different fruits. What is the largest number of monkeys one can make lucky, by having 20 oranges, 30 bananas, 40 peaches and 50 tangerines? Justify your answer.(A): 30 (B): 35 (C): 40 (D): 45 (E): None of the above. combinatoricsnumber theoryalgebra