67. A. among
68. D. sponsor
69. A. access
70. B. less
71. D. lack
72. C. fees
73. B. as
74. A. maintain
75. B. first
76. D. when
77. A. realized
78. C. strongly
79. D. led
80. C. particular
81. B. environment
82. A. encouraging
83. D. at
84. B. how
85. C. produce
86. A. growing