“The hidden history of secret passages”
15) What can you infer about the author's purpose in writing this passage?
A) It is to entertain the reader by telling jokes about the
secret passages.
B) It is to describe in detail the way different secret
passages were constructed.
C) It is to persuade the reader that the North deserved
to win the American Civil War.
D) It is to inform the reader about the various uses of
secret passages in different historical settings.