According to paragraph 3, the architectural significance of the Halle Des Machines was its

* Hướng dẫn giải

Đáp án A

wide span

Thông tin nằm ở đoạn 3: “The Paris Exhibition of 1889 included both the widest span and the greatest height achieved so far with the Halle Des Machines, spanning 362 feet, and the Eiffel Tower 1,000 feet high.”