Concept: Disaster losses can be economic and non-economic. Economic losses can be measured in money, while non-economic losses are related to human suffering, mental health, emotional stress, social disruption, and quality of life.
Step 1: Understand economic losses.
Decrease in the country's economy is an economic loss.
Disruption of economic activities is also an economic loss because it affects income, production, trade, and business.
\[
D, E = \text{Economic losses}
\]
Step 2: Understand non-economic losses.
Life pressure means stress, suffering, and pressure on daily life after flood.
Mental health of people is a non-economic loss because trauma, anxiety, fear, depression, and stress cannot be fully measured in money.
\[
B, C = \text{Non-economic losses}
\]
Step 3: Choose the correct option.
The clearly non-economic losses among the given options are:
\[
B \text{ and } C
\]
Therefore, the correct answer is B and C Only.