From this passage we may come to the conclusion that the 18th century saw ______.

A．John was not at home when the woman called.
B．The woman dialed the wrong number.
C．John is a plumber.
D．John was too busy to come.

A．He is interested in reading.
B．He’d like to read the book very much.
C．He has already read the book.
D．He feels sorry that the woman doesn’t know him very well.