【单选题】Read the article and choose the statement that best summarizes its main idea.
A.
Tower Bridge is the most famous landmark of London because of its special structure and location.
B.
The building of Tower Bridge was a very difficult project at that time, but with smart design and orderly construction, it was completed and considered a triumph of engineering.
C.
Workers hired to build Tower Bridge were well paid as their work was not only hard but also dangerous.
D.
Horace Jones did not live to see his design turn to real, but his fame as an outstanding designer was firmly established.