Kelly had read that German meteorologist Alfred Wegener further developed a hypothesis about the continents and their positions.
What was the most complete hypothesis that Alfred Wegener made?
A. All the continents would slowly drift together over millions of years.
B. All the continents would fit together like a giant world jigsaw puzzle.
C. All the continents were once grouped together and had drifted apart over time.
D. All the continents were slowly rotating around the world in continental drift