Using a criterion based on an object’s color, astronomers recently identified 23 galaxies so distant from Earth that their light has taken 85 percent of the age of the universe to reach us.
A. astronomers recently identified 23 galaxies so distant from Earth that their light has taken B. astronomers recently identified 23 galaxies that were so distant from Earth for their light to take C. astronomers recently identified 23 galaxies to be so distant from Earth such that their light takes D. 23 galaxies were recently identified by astronomers to be so distant from Earth for their light to take E. 23 galaxies were recently identified by astronomers as so distant from Earth their light has taken
A是答案。为什么B就不对呢?一定要用so that结构吗?可是A中的their会指代不清啊。。。 |