Macbeth

ROSS: I dare not speak
much further;
But cruel are the times, when we are traitors
And do not know ourselves, when we hold rumour
From what we fear, yet know not what we fear,
But float upon a wild and violent sea
Each way and move.

What inference can we draw about the situation in Scotland from this passage?

a.The characters are too afraid to speak.
b.Everyone is terrified of Macbeth and what he is going to do next.
c.No one knows about the witches, but they are suspicious.
d.The events in Scotland are so bad that people cannot trust each other.