The sum of an infinite geometric series with common ratio r such that ∣r∣<1, is 15, and the sum of the squares of the terms of this series is 45. The first term of the series is<spanclass=′latex−bold′>(A)</span>12<spanclass=′latex−bold′>(B)</span>10<spanclass=′latex−bold′>(C)</span>5<spanclass=′latex−bold′>(D)</span>3<spanclass=′latex−bold′>(E)</span>2