Which Produces More Energy, the Fissioning of a Single Uranium

Multiple Choice

Which produces more energy, the fissioning of a single uranium nucleus or the fusing of a pair of deuterium nuclei? Why?

A) Fusing a pair of deuterium nuclei produces more energy because, unlike fission, there is no radioactive waste product.
B) Fissioning a single uranium nucleus produces more energy since its mass is much greater than that of a pair of deuterium nuclei.
C) Both the fissioning of a single uranium nucleus and the fusing of a pair of deuterium nuclei produce the same amount of energy since the resulting products are the same.
D) Neither the fissioning of a single uranium nucleus nor the fusing of a pair of deuterium nuclei produces any net amount of energy. On the contrary, both processes require more energy than they produce.