单项选择题

Questions 11 to 13 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions.
Now listen to the passage.

What do educators think of TV

A.They regard it as a supplement to classroom teaching.
B.They think that children spend more time watching TV than necessary.
C.They blame students’ poor ability to read and write on TV watching as a means to gain knowledge.
D.They worry about the unrealistic portrayal of life in TV programs,