I’m not sure I think is C
The correct answer is convey.
Convey is a similar word to transfer or pass onto and she couldn't pass her thanks to all her friends. Other words have completely different meanings.
This is just one theme introduced in Act 1.3. Numerous other themes are revealed: evil, ambition, the unnatural, the grotesque, and others. Ironically, when Banquo warns Macbeth that the witches may be tricking him in order to later bring him harm, he pretty much summarizes the plot of the rest of the play.
Nunez is a mountaineer who falls down a mountain and ends up in a valley where the "Country of the Blind" is.