Which of the following statements are true about the Continental Drift Theory proposed by Alfred Wegener?

A. The theory suggests that all the continents were once joined together forming a single supercontinent called Pangaea, which later drifted apart.

B. Wegener proposed that the movement of continents was primarily due to gravitational forces from the moon and sun.

C. Fossil evidence, such as the discovery of identical species of ancient ferns in South America and Africa, supports the theory of continental drift.

D. The theory was widely accepted by the scientific community when it was first proposed because of its strong evidence base from multiple disciplines.

Choose the correct answer from the options given below: