Which inference about changing attitudes among American military leaders is best supported by the excerpt?

Answer choices for the above question

A. Members of Congress and President Roosevelt’s cabinet were suspicious of Japanese Americans starting with the attack on Pearl Harbor.

B. The CIA’s investigation into the Nisei and Issei found evidence that cast doubt on the loyalties of those groups.

C. After having early suspicions of the Nisei, President Roosevelt was eventually convinced by his generals that he had nothing to fear.

D. American military officials targeted the Japanese living in the United States because they felt vulnerable following early battles lost.