31. with the present situation, the local government could not find effective measures to reduce the risk of coal mine accidents.
A. Though unsatisfied
B. As unsatisfied
C. Though unsatisfied it was
D. As it was unsatisfied
网友回答
(答案→)A. Though unsatisfied
B. As unsatisfied
C. Though unsatisfied it was
D. As it was unsatisfied
解析：可联系答.案.网客服索取。