In Scene 1, Horatio in line 80 says, "This bodes some strange eruption to our state.” This adds to the development of the mood mainly by A. making the audience believe that there might be a natural disaster coming
B. hinting that anyone who sees the ghost will be upset in their state of mind
C. suggesting that the appearance of the ghost predicts problems to come
D. threatening that the ghost will do something strange to them if they talk to it

C. suggesting that the appearance of the ghost predicts problems to come

Explanation:

Horatio´s words to Marcellus reflect his fear that the ghost might be an omen of something bad happening in the future.

Bernardo and Marcellus urge Horatio to stay with them so he can see the ghost of Hamlet himself. After Horatio sees the ghost, he claims that, despite not understanding what´s happening, he believes that the ghostly presence can only mean something bad is going to happen.

appeal to ethos is your answer.

- "is not only a luminous passive watcher in the night sky, but it is a powerful force.

it does symbolizes love,   lust   and dreaming and is seen as a power symbolic force that determines and affects human behaviors and reactions.

in the context of the question it does remain you that he events are only taking place at night and the reader of the passage of time."