39. According to the passage, what is the main feature of a cantilever bridge?
(A) Using parallel cables for suspension.
(B) Reliance on circular arches for support.
(C) Anchoring of a projecting beam at one end.
(D) Use of masonry blocks for foundation support.
詳解 (共 1 筆)
未解鎖
第四段--cantilever brid...