函数 $y=\sin (\omega x+\varphi)(x \in R, \omega>0,0 \leq \varphi < 2 \pi)$ 的部分图象如图，则
A. $\omega=\frac{\pi}{2}, \varphi=\frac{\pi}{4}$
B. $\omega=\frac{\pi}{3}, \varphi=\frac{\pi}{6}$
C. $\omega=\frac{\pi}{4}, \varphi=\frac{\pi}{4}$
D. $\omega=\frac{\pi}{4}, \varphi=\frac{5 \pi}{4}$