Which of the Following Scientific Beliefs Was Immediately Accepted as True

Which of the following scientific beliefs was immediately accepted as true and incorporated into the mainstream scientific literature?

A) Einstein's theory of relativity
B) Alfred Wgener's theory of continental drift
C) Karl Jansky's and Grote Reber's theory of radio waves
D) Ignaz Semmelweis's that the germs from attending physicians' hand infected recent birth mothers
E) none of the above