TOEFL Reading: ETS-TOEFL阅读机经 - PZ7534WKDEZ0G53WL$

According to paragraph 1, why do some organisms have a resting stage during their life cycle? A. To recover from injuries suffered during harsh conditions B. To devote all of their energy to a period of growth and reproduction C. To wait for local conditions to become favorable for important life events D. To prepare to move to a different environment if conditions become harsh