Joke Collection Website - Talk about mood - Is the following proposition right or () a math problem?

Is the following proposition right or () a math problem?

A false proposition. Because 1? = 1

B true proposition. All positive numbers have positive and negative square roots, and negative numbers have no square roots, so this number can only be 0.

C false proposition. Because the arithmetic square root of 1 is 1.

D false proposition. Because the cube roots of 1 and-1 are themselves.