Answer
D
Work Step by Step
Comparing $y=2\sin(3x-4)$ to $y=A\sin(\omega x-\phi)$, note that $A=2$, $\omega=3$, and $\phi=4$.
Amplitude=$|A|=2$
Period $T=\frac{2\pi}{\omega}=\frac{2\pi}{3}$ and
Phase shift = $\frac{\phi}{\omega}=\frac{4}{3}$
Option D is the correct match.