Prospero decides to?

Read the extract and answer the question

Prospero: Of my instruction hast thou nothing bated
In what thou hadst to say. So, with good life
And observation strange, my meaner ministers
Several kinds have done. My high charms work,
And these, mine enemies are all knit up
In their distractions. They now are in my power;
And in these fits, I leave them,…

(Act 111, scene three lines 85-91)

A. sit back and watch
B. kick Caliban in the mouth
C. go to Ferdinard
D. Discharge Ariel

Correct Answer:

Option D – Discharge Ariel