31. (A) Because the lives of (B) From the examples set by (C) That the lives of (D) Due to the fact that the models of

41. _______________ The rat lives in old buildings or barns, under porches, and sometimes in basements. However, the rattlesnake, lion, and tiger usually do not live where people reside. The rat is a menace in city ghetto areas and not an easy animal to control. It carries and spreads diseases such as typhus, rabies, and plague, while animals that live in the wild do not spread disease. (A) Rats are less dangerous to human beings than rattlesnakes, lions, or tigers. (B) Rats are prey, while wild animals such as the rattlesnake, lion, and tiger are predators. (C) The rat is more harmful to human beings than the rattlesnake, lion or tiger. (D) Neither the rat nor the wild animal is a threat to us as long as we do not provoke it.

31.
(A) Because the lives of
(B) From the examples set by
(C) That the lives of
(D) Due to the fact that the models of

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31.(A) Because the lives of(B) From the examples set by(C) That the lives of(D) Due to the fact that the models of

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31.
(A) Because the lives of
(B) From the examples set by
(C) That the lives of
(D) Due to the fact that the models of