3. Which of the following statements is true according to the passage?
A. Overhead bridges are found in every part of Beijing.
B. Overhead bridges are only found in the centre of Beijing.
C. Overhead bridges are found in many parts of big cities in China.
D. Overhead bridges are found in places where traffic is heavy.
出自:河北建筑工程学院-建筑工程技术(专科)-大学英语1