This question refers to Chapter 5: Night by Elie Wiesel.
Answer:
The correct answer is option C. create an ominous, tense mood.
Step-by-step explanation:
As we can see in the author's words, there is an air of nervousness among the protagonists. It was felt that something was wrong, and everything was done in a hurry and tense way.
That is exactly what the author wants to convey with his words.
Therefore, we can say that the correct answer is the option C. create an ominous, tense mood.