What role does civil engineering play in the development and maintenance of sustainable and resilient urban infrastructure systems?

a$)$ Civil engineers design and construct buildings only, leaving infrastructure planning to other disciplines.

b$)$ Civil engineers are responsible for the development and maintenance of urban infrastructure, ensuring its sustainability and resilience.

c$)$ Civil engineers focus solely on transportation systems within urban areas, neglecting other infrastructure components.

d$)$ Civil engineers play no significant role in sustainable and resilient urban infrastructure development, as their expertise lies elsewhere