The NSC-68 report advanced all of the following arguments except

a. there is a fundamental incompatibility between the United States and the Soviet Union.
b. the Soviet assault on free institutions is worldwide and the United States, in its own interest, must resist this assault.
c. American defense expenditures were still comparable to the Soviet Union at the time of the report, but they would become inferior in a few years.
d. the Soviet Union is seeking to undermine America's social and cultural institutions by infiltration and intimidation.
e. Both options C and D are true.

C