A man born in the first half of the nineteenth century was x years old in the year x2. He was born in:
<spanclass=′latex−bold′>(A)</span>1849<spanclass=′latex−bold′>(B)</span>1825<spanclass=′latex−bold′>(C)</span>1812<spanclass=′latex−bold′>(D)</span>1836<spanclass=′latex−bold′>(E)</span>1806