TOEFL Listening: TPO-TOEFL阅读TPO - N87245GC357R4Z5RN$

What can be inferred from paragraph 3 about ancient green algae? A. They lived in a generally wet environment that was sometimes dry B. They adapted better to changes in water temperature than did to other changes in the environment. C. They inhabited areas that were close to the ocean. D. They had lived primarily on land