Suppose that 32 of 10 bananas are worth as much as 8 oranges. How many oranges are worth as much is 21 of 5 bananas?
<spanclass=′latex−bold′>(A)</span>2<spanclass=′latex−bold′>(B)</span>25<spanclass=′latex−bold′>(C)</span>3<spanclass=′latex−bold′>(D)</span>27<spanclass=′latex−bold′>(E)</span>4