Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 36 to 40.
Since the world has become industrialized, there has been an increase in the number of animal species that have become extinct or nearly extinct. Bengal tigers, (36) ________ were once found in a large number in jungles, now are thought to be only 2,300 in number. By the year 2025, their (37) _______ in the world is estimated to be down to zero. The dangerous thing is that people don’t hunt them for money but mainly (38) ________ they enjoy hunting them. Animals like the Bengal tiger, as well as other endangered species are very important to the world’s ecosystem. International laws (39) _______ these animals must be passed to save them. Countries around the world have begun to solve the problem in various ways. Reserves and national parks have been established. Money provided (40) _______ world organizations has been spent on maintaining the parks. The use of products made from endangered species has been stopped.
(40)
A.with
B.by
C.of
D.for