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．To question popularity.
B．To have physical problems.
C．To predicts situational loneliness.
D．To make new friends.