Which theme is supported by Lady Macbeth’s lines?

“That which cries, "Thus thou must do, if thou have it:
And that which rather thou dost fear to do
Than wishest should be undone." Hie thee hither,
That I may pour my spirits in thine ear;
And chastise with the valor of my tongue
All that impedes thee from the golden round,”

A. Darkness is dangerous.
B. Ambition unchecked can lead to corruption.
C. Things are not always what they seem.
D. Those without convictions are easily manipulated. answer: D