‘To avoid talking about what is important’ — the idiom/phrase which best expresses the above meaning is:

Correct option is C

The idiom “Beat around the bush” means to avoid discussing the main topic or issue directly. It refers to someone talking about unrelated or less important things instead of addressing the key point. Therefore, option (c) “Beat around the bush” is the correct answer.
Information Booster:
1. This idiom is often used in situations involving sensitive topics.
2. “Beating around the bush” is typically seen as ineffective communication.
3. Being direct helps to solve problems faster and avoid misunderstandings.
4. The opposite of this phrase is “cut to the chase.”
5. In professional settings, clear and direct communication is highly valued.
6. This idiom is used to advise someone to get to the point.

Information Booster:
Hit the sack: Means to go to bed or sleep.
Up in arms: Refers to being very upset or angry about something.
Sell like hot cakes: Describes something that sells quickly and in large quantities.