Which of the following would be an appropriate way to add variety to your sentences?

a. make your sentences read like a spoken conversation.
b. add personal anecdotes.
c. use more close-up words.
d. use questions and answers together.

its not c..

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.