17. If the solution sets of the trigonometric equations $\sin x = 0$ and $\sin 2x = 0$ are $E$ and $F$ respectively, then ( ) (A) $E \subset F$ (B) $E \supset F$ (C) $E = F$ (D) $E \cap F = \varnothing$
17. If the solution sets of the trigonometric equations $\sin x = 0$ and $\sin 2x = 0$ are $E$ and $F$ respectively, then ( )\\
(A) $E \subset F$\\
(B) $E \supset F$\\
(C) $E = F$\\
(D) $E \cap F = \varnothing$