Answer:
D. most of the scientists believed in using the atomic bomb to force and surrender was the only option.
Explanation:
From the text, the scientists were not in agreement on their position regulating the use of the bomb as some believed on technical demonstrations, while others believed on military application to induce surrender as against the option A
Also, from the text the scientist does not felt the need for saving America on Lyons and to take priority in the war but rather to save American lives in the Japanese war.
Furthermore, from the text some of the scientists believe that the use of atomic weapons Warfare should be outlawed as against the option C.
However, from the text, most of the scientists believed that, using the atomic bomb to force and surrender was the only option, as they proposed that no technical demonstrations can bring an end to the war, but rather, military use as the only option.