Sebastian says ”Or stole it, rather” because the luggage?

WILLIAM SHAKESPEARE: The Tempest

Read the extract and answer the question

Caliban: Ay, that I will; and I’II be wise hereafter,
And seek for grace. What a thrice-double ass
Was I, to take this drunkard for a god,
And worship this dull fool!

Prospero: Go to; away!
Alonso: Hence, and bestow your luggage where you found it.
Sebastian: Or stole, rather.

(Act V, scene one lines 293 – 299)

A. does not belong to Caliban
B. belongs to Caliban
C. is not from the ship
D. is from the ship

Correct Answer:

Option A – does not belong to Caliban