The opinions of the people are controlled by several factors: ______.

A．is often ignored by the public
B．is seldom expressed to the point
C．is often imposed on the public
D．has a strong influence on people

A．the influence of gender on people' s view
B．the influence of people' s status on their view
C．the influence of living standard on people' s view
D．the influence of different ranks on people' s view