Which option suggests the wide-ranging influence of the refugee Nazi scientists on US technology?

Question

A-these scientist proved themselves trustworthy by designing the atomic bomb, leading to the Saturn V rocket.
B-These scientists developed the first working pro type of what would become the personal computer.
C-These scientist designed tanks, planes, and rifles tailored to the specific needs of the US military forces.
D-These scientists designed missiles, but they also worked toward future applications of rocket science.
Is the answer D?

Answer 1

I think it is D

Answer 2

I have the same question