What Is One Way in Which Albert Einstein's Special Theory

What is one way in which Albert Einstein's special theory of relativity challenged mainstream scientific principles?

A) It argued that space and time were not absolute categories, as scientists had always believed, but varied according to the vantage point of the observer.
B) It claimed that humans were related to animal species such as apes, from which humans evolved.
C) It better explained the properties of explosives and eventually led to the invention of dynamite.
D) It revolutionized scientific understanding of genetic diseases through the discovery of DNA.