An experiment has 10 equally likely outcomes. Let $A$ and $B$ be two non-empty events of the experiment. If $A$ consists of 4 outcomes, the number of outcomes that $B$ must have so that $A$ and $B$ are independent, is\\
(A) 2, 4 or 8\\
(B) 3, 6 or 9\\
(C) 4 or 8\\
(D) 5 or 10