Consider the following sample space for a random experiment: {1, 2, 3, 4, 5, 6, 7, 8}. Event A is composed of the simple events {1, 3, 6, 8}. What is the complement of A? A. {1, 3, 6, 8} B. {1, 2, 3, 6, 7, 8} C. {2, 4, 5, 7} D. {1, 2, 3, 8} E. {2, 4, 6, 7}