According to Scientific American in 1922, what was their stance on presenting the theory of relativity through a silent film?

A. That it would be unsuccessful on its own, but could work as part of a broader educational package
B. That it would not be feasible due to the complexity of the theory
C. That it would be a highly effective way to educate the general public
D. That it would be moderately successful, but with some limitations
Answer: 