Can someone give me a book summary of the devil in the white city

In The Devil in the White City, author Erik Larson uses extensive research to recreate the lives of two real men and to reinvent Chicago during the World's Columbian Exposition. In the process, he creates two separate, yet connected plot lines and attempts to fill in some of the gaps left by history.

the answern should be b, if it is the part where the mob has gathered

c is the answer because first she would blush to make the reader wonder why which they find out in the next line.