If $A$ And $B$ Are Independent Events, How Many of the Following Statements Must

Multiple Choice

If $A$ and $B$ are independent events, how many of the following statements must be true?
(i) A' and B are independent.
(ii) $\mathrm{A}$ and $\mathrm{B}^{\prime}$ are independent.
(iii) $\mathrm{A}^{\prime}$ and $\mathrm{B}^{\prime}$ are independent.

A) A 11
B) One
C) None
D) Two