A．He does not agree and argues with her.
B．He totally agrees and promises to cut down phone calls.
C．He feels sorry but unwilling to pay half of the bill.
D．He was scared but will go on making long calls.

A．It is available in small airports and can fly further.
B．It can reduce fuel emissions by about 20%.
C．It is equipped with sports and entertainment facilities.
D．It provides more comfortable seats for passengers