Answer:
d
Step-by-step explanation:
Alfred Wegener in 1915 published 'The Origin of Continents and Oceans'. But geologists denounced his theory. Wegener's Continental drift is the theory that the different continents of the planet earth have moved over time causing them to shift positions. he thought all continents were once joined together before breaking up to different positions.
Part of the objections he faced was because he did not have much evidences to back up his theory.