The ”two” later plot to ______?

Read the extract and answer the question

X: We two, my lord.
Will guard your person while you take your rest,
And watch your safety.

Y: Thank you – Wondrous heavy.

A. kill all the other characters
B. escape from the island
C. kill Prospero and Miranda
D. kill Alonso and Gonzalo

Correct Answer:

Option A – kill all the other characters