The polynomial P(x)=x3+ax+1 has exactly one solution on the interval [−2,0) and has exactly one solution on the interval (0,1] where a is a real number. Which of the followings cannot be equal to P(2)?<spanclass=′latex−bold′>(A)</span>17<spanclass=′latex−bold′>(B)</span>330<spanclass=′latex−bold′>(C)</span>26−1<spanclass=′latex−bold′>(D)</span>30<spanclass=′latex−bold′>(E)</span>310