问题：
[单选题] What should the teacher try to avoid when selecting listening activities
A、The listening activity must have a real,communicative purpose.
B、The listening activity must cater to students’real life.
C、Pre-listening tasks must help students identify the purpose of the listening activity.
D、The classroom climate surrounding the listening activity can be anxious.
参考答案：
D、The classroom climate surrounding the listening activity can be anxious.
● 参考解析
