Final answer:
The instructor writing on the board, looking at notes before saying something, and classmates taking notes are indications that a topic or point in a lecture is important.
Step-by-step explanation:
Out of the options provided, the following choices suggest that a topic or point in a lecture is important:
- The instructor writes it on the board. When the instructor writes something on the board, it indicates that the information is significant and should be noted.
- The instructor looks down at her notes before saying it. If the instructor checks her notes before sharing a point, it shows that she wants to ensure accuracy and emphasize the importance of the information.
- A fellow classmate writes it down. If a classmate is taking notes on a specific topic, it suggests that the topic is noteworthy and important to remember.