Which of these statements is interrogative in mood?

a. the team might be happy if the teacher extended the deadline.
b. you always find a way to let the other person see the light.
c. what inspired you to wear a periwinkle dress to a funeral?
d. i suggest that you be the bigger person in the disagreement.

How does this excerpt develop the central idea that espionage during the civil war was often carried out by untrained citizens? it enhances the reader’s understanding by explaining why training was unnecessary. it changes the reader’s perception of what information a spy was able to obtain. it explains an ordinary person’s motivation for conducting espionage against the enemy. it adds moral complexity to espionage, due to the use of secret and dangerous methods.