How many integer pairs (x,y) are there such that 0\leq x < 165, 0\leq y < 165 \text{ and } y^2\equiv x^3+x \pmod {165}?
<spanclass=′latex−bold′>(A)</span>80<spanclass=′latex−bold′>(B)</span>99<spanclass=′latex−bold′>(C)</span>120<spanclass=′latex−bold′>(D)</span>315<spanclass=′latex−bold′>(E)</span>None of above