Read the passage and mark A, B, C, or D to indicate the correct word that best fits each of the blanks

The World Wide Fund for Nature (WWF) is an international non-governmental organization for the conservation research, and restoration of the environment. The organization was (1) ______ as a charitable trust on September 11, 1961, in Morges, Switzerland, under the name World Wildlife Fund. It was an initiative of Julian Huxley and Max Nicholson.

It is the world's largest independent conservation organization with over 5 million (2) ______ worldwide, working in more than 90 countries, supporting 100 conservation and environmental projects around the world. It is a charity, with (3) ______ 9% of its funding coming from voluntary donations by private individuals and businesses.

The group says its mission is "to halt and reverse the destruction of our environment". Currently, much of its work focuses on the conservation of three biomes that contain most of the world's biodiversity: forests, freshwater ecosystems, and oceans and coasts. Among other issues, it is also concerned (4) _______ endangered species, pollution, and climate change. The organization (5) ________ more than 20 field projects worldwide. In the last few years, the organization set up offices and operations around the world.