A class of 50 students took an exam with 4 questions. At least 1 of any 40 students gave exactly 3, at least 2 of any 40 gave exactly 2, and at least 3 of any 40 gave exactly 1 correct answers. At least 4 of any 40 students gave exactly 4 wrong answers. What is the least number of students who gave an odd number of correct answers?<spanclass=′latex−bold′>(A)</span>18<spanclass=′latex−bold′>(B)</span>24<spanclass=′latex−bold′>(C)</span>26<spanclass=′latex−bold′>(D)</span>28<spanclass=′latex−bold′>(E)</span>None of the above