“To him a voyage to Iceland was merely a matter of course. My uncle, on the other hand, considered the event of sublime importance”

What does “sublime” mean in the above passage?

A. To go up or climb

B. In a state of intellectual or moral ignorance, typically because there isn’t opportunity to be educated

C. excellence, grandeur, or beauty that inspires admiration or awe

D. natural or something one is born with

Thank you so much!!