From which of these terms does the turbulent viscosity arise from?

• A. \(\frac{\partial(\overline{\rho}\tilde{u})}{\partial t}\)
• B. \(-\frac{\partial\tilde{p}}{\partial x} \)
• C. \(div(\mu grad\widetilde{(\vec{V})})\)
• D. \(\frac{\partial\overline{(\overline{\rho}u{‘}v{‘})}}{\partial y}\)