Which of the following statements best describes the use of nuclear power  as a source of energy? 

A. It is rarely used in the United States or Europe.
B. It is inefficient and emits high levels of greenhouse gases.
C. It produces a minimal amount of waste so there is little spent fuel to store.
D. It has been used safely in Europe and the former states of the Soviet Union for decades.
E. It is widely supported in the United States.

Answer: D