B.
until - until he comes for example ( time before someone comes or something is happened)
Meanwhile - during a period or an action where another thing is happening (at that time)
Later - after some period - two months later ( after passing of some amount of time
Answer:
Experience and Perception of teacher in his mind.
Explanation:
When university students in the United States walk into a classroom on the first day, they observe that there is a person standing in the front of the classroom with a folder open on a podium and a stack of papers on the desk. Based on their experience, they decide that this must be the instructor. One student approaches the person and asks, "Are you the instructor?"
The student's question is an example of his Experience and Perception.
I just completed the test that you're taking and the answer is: Winter