74. In computer science, a recursive function is a function which is defined by its self.About recursion, which of the following statements is WRONG？
(A)Recursion is more powerful than iteration. That is, a problem can be solved by arecursive function may not be solvable by an iteration function
(B)A recursive function must contain two properties, a simple base case(s) and arecursive step
(C)The appropriate data structure for implementing recursive functions is stack
(D)The main advantage of recursion is usually the simplicity of instructions