Each of the Following Is a Reason to Use a Heuristic

Multiple Choice

Each of the following is a reason to use a heuristic rather than an algorithm,EXCEPT

A) sometimes no algorithm is available to solve a specific problem.
B) heuristics often require less time and effort to apply than do algorithms.
C) heuristics produce successful problem solutions with sufficient frequency to justify their use.
D) heuristics yield the single best solution to a problem.