问题详情

27 Each day we get a lot of messages from __
28 Television, radio and books are all important media of __
29 For most people television is the most important __
30 The mass media are important to us because they shape __
A our decisions and opinions
B mass communication
C our messages
D source of information
E the mass media
F sports news 请帮忙给出正确答案和分析，谢谢！