Which of the following statements concerning nuclear scientists is most directly suggested in the passage? a) Nuclear scientists are not themselves aware of all of the facts surrounding the deuterium-tritium fusion reaction.
b) Nuclear scientists exploring the decuterium-tritium reaction have overlooked key facts in their eagerness to prove nuclear fusion practical.
c) Nuclear scientists may have overestimated the amount of lithium actually available in the Earth's crust.
d) Nuclear scientists have not been entirely dispassionate in their investigation of the deuterium-tritium reaction.
e) Nuclear scientists have insufficiently investigated the lithium-to-tritium reaction in nuclear fusion.