Which role does civil engineering predominantly play in the deployment of dual$-$chambered microbial fuel cells $($MFCs$)$ for distillery wastewater treatment?

A$)$ Determining the optimal operating temperature for MFCs$.$

B$)$ Selecting the types of organic matter to be used as substrate in MFCs$.$

C$)$ Designing the layout and infrastructure for integrating MFC units into wastewater treatment facilities.

D$)$ Monitoring the pH levels within the MFC chambers during operation