A:①②③
B:③④
C:①③④
D:①②③④
爱因斯坦曾经说过:“哲学要是不同科学接触,就会变成一个空架子;科学要是没有哲学,就是原始的混乱的东西。”据此回答下题。
The scientist don't exactly know when the universe but they are still studying it.