Which statement best describes the change of tone in the final paragraph
A The tone is more admiring as the author confirms that the berlin tunnel was the most important part of the cold war
B the tone is frightened as the author begins to share details of the cold war that followed
C the tone is more reflective as the author connects the berlin tunnel to the cold war that followed
D the tone is humorous as the author connects the berlin tunnel to a “propaganda frenzy.”