The Main Objection to Wegner's Theory of Continental Drift Was

The main objection to Wegner's theory of Continental Drift was ________.

A) the ocean basins show no evidence of opening and closing.
B) clear evidence of land bridges,like the one connecting Alaska and eastern Russia,clearly exist and explain most of Wegner's observations without Continental Drift.
C) Wegner's gravitational mechanism for the movement of continents would also stop the Earth's rotation which has not happened.
D) the tracks of the moving continents could not be identified on the ocean floor.