Although the huge engine, as tall as 25 meters, is heavy , it is powerful and works well.
A. carried
B. to be carried
C. to carry
D. being exposed
网友回答
A. carried
B. to be carried
(答案→)C. to carry
D. being exposed
解析： sth+be+adj.+to do结构中，习惯于用不定式的主动形式表被动含义，所以选C。句意：尽管这个巨大的机器，高达25米，很难搬动，但是它很有力量，运转的很好。