In the given circuit the input voltage $\mathrm{V}_{\text {in }}$ is shown in figure. The cut-in voltage of $\mathrm{p}-\mathrm{n}$ junction diode ( $\mathrm{D}_1$ or $\mathrm{D}_2$ ) is 0.6 V . Which of the following output voltage $\left(\mathrm{V}_0\right)$ waveform across the diode is correct?