单项选择题
The history of civil engineering is a very important story in the development of civilization. Civil engineers began practicing their profession four thousand years ago.
Consider the pyramids of Egypt. They are evidence that some of the earliest engineers had great scientific ability. They are also proof that those engineers could make lasting works of art and design. Although they lived thousands of years ago, the Egyptian engineers used very exact measurements. The base of the largest pyramid, the great pyramid near Gizeh, comes to within inches of being a perfect square. Each corner points toward the exact directions of north, south, east and west. The inside of the pyramid is filled with complicated passages and tunnels. These lead to different rooms inside the pyramid. Many of these passages are of great length and height.
A. Early Civil Engineers
B. Evidence of Early Human Civilization
C. Ancient Architecture
D. The History of Civil Engineering