The author's attitude to the best way to avoid being bitten is ______.

A．mosquitoes fly close to the ground
B．repellents stop the mosquito from biting its prey
C．scientists at Sussex have discovered the best way to avoid being bitten by the mosquito
D．scientists discovered a lot about how a mosquito finds its prey and some ways to prevent it from reaching it

A．There are three distinct stages in a mosquito's attack.
B．Scientists discovered mosquitoes prefer to live in dry places.
C．The best way to avoid being attacked by a mosquito is impractical.
D．Repellents keep mosquitoes from attacking its prey by giving off a nasty smell and confusing them.