IV. Choose the word (A, B, C or D) that best fits the blanks space in the following passage.

How saving wildlife benefits humans?

It’s no secret that we’ve lost an overwhelming ___(1)___ of species within the last four decades. These species have all but disappeared due to overpopulation, deforestation, consumer culture, climate change, animal exploitation, and other ___(2)___ sources – all inflicted by mankind. It’s been said that at least 10,000 species are lost a year, having the world’s wildlife population in just the past 40 years. However, the rapid loss of species we are witnessing today is estimated by experts to be between 1,000 to 10,000 times higher than the natural ___(3)___ rate.
When the public and politicians began insisting ___(4)___ environmental protection in the 1960s, conversation laws began passing in the 1980s, ___(5)___ with the Alaska National Interest Lands Act, which set aside 101 million acres of Alaska to be preserved as a monument, national park and wildlife refuge to maintain one of the United States’ last “wild” areas. With more and more public involvement, restoring and preserving ___(6)___ wildlife species became possible. As World Wildlife Fund perfectly puts it, conserving wildlife is “is a source pf inspiration.”