Answer:
Comprehensive Listening.
Explanation:
Comprehensive listening is the skill that helps to interpret the words and ideas. This skill helps in understanding the messages or the ideas that are spoken or divulged. In order to be a comprehensive listener, you need to have the knowledge of vocabulary of the language spoken.
The listening skill involved in the given excerpt is a comprehensive one. Since the Registrar Office will be speaking on how to's of the new class registration system, the listener needs to be comprehensive so that they may be able to understand what the speaker will be instructing them
So, the correct answer is Comprehensive Listening.