Answer:
The correct answer is option B."The United States and China would negotiate a solution to the problem".
Step-by-step explanation:
The excerpt quoting President Obama herein shown, implies that the foreign policy implemented to deal with the situation looks towards United States and China negotiating a solution to the problem. President Obama states that dependence on foreign oil and the ravages of climate change are not an option, and is necessary to cooperate. The cooperation between United States and China implies that they would negotiate a solution to the problem.