Which line of text supports the argument that Rainsford has excellent hunting skills? "The old charts call it 'Ship-Trap Island,'" Whitney replied. "A suggestive name, isn't it?” "Can't see it," remarked Rainsford, trying to peer through the dank tropical night . . . “I've seen you pick off a moose moving in the brown fall bush at four hundred yards . . .” “I hope the jaguar guns have come from Purdey's. We should have some good hunting up the Amazon.”