What is the real meaning of the Easter holiday?

I- Easter is a time to celebrate and spend money.
II- Easter is a time to commemorate the death of Christ.
III- Christ was a simple person who did not like luxury and ostentation.
IV- Christ was a fictional character created for political purposes.
a) Only I and IV are correct.
b) Only II and III are correct.
c) Only II and IV are correct.
d) Only I and III are correct.