Concept:The mood is built by words showing danger, fear, and confrontation.
Explanation:The crowd marches to the chief’s palace while singing war songs.
The palace guards tremble “like leaves in a storm” because they are afraid.
Words such as “threatening crowd,” “siege,” and “intimidate” show a serious clash is likely.
This makes the atmosphere full of anxiety and suspense.
So, the correct choice is tense, not calm or pleasant.
Answer:C. tense