Read this exchange between Macbeth and Lady Macbeth. What theme does it support and why?

MACBETH.
We will proceed no further in this business:
He hath honour'd me of late; and I have bought
Golden opinions from all sorts of people,
Which would be worn now in their newest gloss,
Not cast aside so soon.

LADY MACBETH.
Was the hope.....
And wakes it now, to look so green and pale
At what it did so freely? From this time
Such I account thy love. Art thou afeard
To be the same in thine own act and valor
As thou art in desire?

Themes to consider:
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