The graph of the polynomial P(x) \equal{} x^5 \plus{} ax^4 \plus{} bx^3 \plus{} cx^2 \plus{} dx \plus{} e has five distinct x-intercepts, one of which is at (0,0). Which of the following coefficients cannot be zero?<spanclass=′latex−bold′>(A)</span>a<spanclass=′latex−bold′>(B)</span>b<spanclass=′latex−bold′>(C)</span>c<spanclass=′latex−bold′>(D)</span>d<spanclass=′latex−bold′>(E)</span>e