THE WORLD'S DEEPEST CAVE, PIERRE ST

12. - DE THI THU NXB BO GD CO DAP AN
DE THI THU NXB BO GD CO DAP AN
12. The world's deepest cave, Pierre St. Martin in the Pyrenees mountains, is almost three times as deep _______ . A. as the Empire State Building is B. that the Empire State Building is higherC. is higher than the Empire State Building D. and the Empire State Building's height