Read the excerpt from the beginning of a news article below.For the first time ever, US scientists at the National Ignition Facility at the Lawrence Livermore National Laboratory in California successfully produced a nuclear fusion reaction resulting in a net energy gain, a source familiar with the project confirmed to CNN. The US Department of Energy is expected to officially announce the breakthrough Tuesday.The result of the experiment would be a massive step in a decadeslong [sic] quest to unleash an infinite source of clean energy that could help end dependence on fossil fuels.
Answer
A
that nuclear fusion will cost virtually nothing
B
that nuclear fusion will solve several environmental issues
C
that nuclear fusion will be a power source in the near future
D
that nuclear fusion is a new scientific concept
Explanation
The excerpt describes fusion as a potential source of clean energy that could reduce dependence on fossil fuels. That supports the expectation that nuclear fusion could help address environmental problems, making B, “that nuclear fusion will solve several environmental issues,” the best choice. The passage does not say fusion will cost virtually nothing or become a power source soon, and it describes a decades-long effort rather than a new scientific concept.
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