It is reported that the scientists in our country are all possible way to control H7N9 flu.
A. operating
B. solving
C. exploding
D. exploring
网友回答
A. operating
B. solving
C. exploding
(答案→)D. exploring
解析：句意：据报道，我们国家的科学家正在探索所有可能的方法来控制H7N9流感。Operating做手术；solving解决；exploding爆炸；exploring探究，选D。