Read the sentence.
Completing the task, which is taking more than four hours, and is a grueling endurance test that only a few people have successfully finished.
Which is the best way to rewrite the sentence?
A) Taking more than four hours to complete, the task is a grueling endurance test that only a few people have successfully finished.
B) Completing the task is a grueling endurance test that only a few people have successfully finished, which is taking more than four hours.
C) The task, taking more than four hours to complete, which is a grueling endurance test that only a few people have successfully finished.
D) That which is taking more than four hours to complete, the task is a grueling endurance test that only a few people have successfully finished.
