If you decide to take a flight to Hanoi, you might have to pay ______ altogether for the flight.

A．stable
B．available
C．achievable
D．liable

A．the new technology may introduce on people"s privacy
B．they cannot get the implanted chips removed
C．the new laws about the technology might be abused
D．they are not assured of the effect of the chips

A．affirmative
B．negative
C．playful
D．speculative