Civil Engineering: Which aspect holds the greatest importance when considering the integration of activated teak leaves and banana trunk into wastewater treatment systems for civil engineering projects?

A$)$ The affordability of these materials, ensuring cost$-$effectiveness in civil engineering projects with tight budget constraints.

B$)$ The compatibility of activated teak leaves and banana trunk with existing wastewater treatment infrastructure, facilitating seamless integration without the need for extensive modifications.

C$)$ The potential for community engagement and involvement in the implementation of activated teak leaves and banana trunk$-$based wastewater treatment systems within civil engineering projects.

D$)$ The efficiency and effectiveness of activated teak leaves and banana trunk in removing contaminants from wastewater, guaranteeing compliance with regulatory standards for water quality in civil engineering applications