Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage

Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage.

World Environment Day which is (1) ____ on 5th June every year in an important day in the calendar of the United Nations. It is one of the ways the United Nations uses to advocate for environmental (2) ____ and call for political action.

Every year, UNEP (the Environment Program of the United Nations) develops a theme which is used globally to raise (3) ____ and call for support from governments, organizations, and individuals from all over the world.

The theme for 2015 was "Seven Billion Dreams. One Planet. Consume with Care”. This would also serve as the slogan for the World Environmental Day 2015. The meeting of this theme and slogan is that we have five (4) ____ with more than seven billion people combined. Although we have about 7 billion people, we just have one planet that we live and survive. The surface area is limited, shelter and food also limited. If we continue using the available natural (5) ____ as we do today, our future generations may be forced to go hungry and without homes. This is why it is of vital importance to consume whatever food that is available with care.

1. A. found B. acted C. held D. celebrated

2. A. experience B. protection C. decrease D. pollution

3. A. feature B. activity C. ability D. awareness

4. A. areas B. continents C. plants D. stars

5. A. sources B. resources C. balances D. increase