GMAT Test Prep: SC-66024759 GMAT Sentence Correction | TOEFL IELTS GMAT GRE SAT ACT PTE ESL

A more and more littering has occurred in orbits near Earth, often because

B orbits near Earth have become more and more littered, often from

C orbits near Earth became littered more and more, often resulting from

D there have been more and more littering of orbits near Earth, often because of

E there had been littering more and more of orbits near Earth, often with