Question

【题目】　　　553 metres into the sky,the CN Tower is the third tallest in the world.

A. To rise B. Rising

C. Rise D. Risen

Answer 1

【答案】B

【解析】

考查现在分词做原因状语。句意：CN塔有553米高，它是世界上第三高塔。rise意为“升起,耸起”,为不及物动词,句子主语the CN Tower与rise为主谓关系,所以应选现在分词形式作状语。故选B。