hurry The Riddle of the Rosetta Stone.

Near the entrance to the long, high-ceilinged room stand two magnificent granite statues of Pharaoh Amenophis III, who ruled Egypt about 1400 B.C. Farther on is a colossal head of Pharaoh Ramesses II dating back to 1250 B.C. And beyond it, resting on a simple base, is a slab of black basalt, a colossal rock.

Which words in the excerpt best show that Giblin thinks the room is important?

entrance and room
long and high-ceilinged
magnificent and colossal
simple and slab