The widely accepted big bang theory holds that the universe began in an explosive instant ten to twenty billion years ago and has been expanding ever since.
10. The widely accepted big bang theory holds that the universe began in an explosive instant ten to twenty billion years ago and has been expanding ever since.
(A) that the universe began in an explosive instant ten to twenty billion years ago and has been expanding
(B) that the universe had begun in an explosive instant ten to twenty billion years ago and had
been expanding
(C) that the beginning of the universe was an explosive instant ten to twenty billion years ago that has expanded
(D) the beginning of the universe to have been an explosive instant ten to twenty billion years ago that is expanding
(E) the universe to have begun in an explosive instant ten to twenty billion years ago and has been expanding
为什么解析说C选项中第二个that指代instant,而D选项的that指代的是beginning呢??不明白,求解答。