托福词汇猜测题之extracting

　The DSDP's drill ship, the Glomar Challenger, was able to maintain a steady position on the ocean's surface and drill in very deep waters, extracting samples of sediments and rock from the ocean floor.

　　The word "extracting" is closest in meaning to which of following?

　　(A) breaking

　　(B) locating

　　(C) removing

　　(D) analyzing