The speaker is ___________?

Read the extract and answer the question

Oh, a Cherubin
Thou wast that did preserve me. Thou didst smile,
Infused with a fortitude from heaven,
When I have decked the sea with drops full salt.
Under my burthen groaned; which raised in me
An undergoing stomach, to bear up
Against what should ensue

(Act 1 scene two lines 154-161)

A. Alonso
B. Gonzalo
C. Prospero
D. Sebastian

Correct Answer:

Option C – Prospero