TOEFL Reading: ETS-TOEFL阅读机经 - 3S6DDZXA2M26K3BTL$

According to paragraph 3, what did Alfred Wegener and Alex Logan du Toit have in common A. Both were originally trained as meteorologists. B. Both had doubts about the hypothesis that Gondwana was once a single contiguous landmass. C. Both believed that continents change their position over time. D. Both believed that the present-day Southern Hemisphere continents were too far apart to have been linked by a land bridge.