Read the following passage and answer the questions based on it.

As climate change affects seasonal patterns, water management and distribution become important. Rainwater harvesting has become particularly important in urban areas these days. This process involves collecting and storing rainwater for later use. It recovers groundwater levels, prevents water wastage during the monsoon, reduces soil erosion and helps in the availability of drinking water. Above all, it promotes the method of water conservation.

This paragraph supports which of the following statements the most?

A. Climate change has adversely affected humanity.

B. Forests help maintain groundwater levels.

C. Rainwater harvesting is the need of the hour.

D. There are not enough water reserves for urban areas.