The following sentence contains a comma splice:

Do you have any bandages, I tripped over a stick and skinned my knee.

Which revision corrects the sentence?

a.
Do you have any bandages? I tripped over a stick and skinned my knee?

b.
Do you have any bandages?; I tripped over a stick and skinned my knee.

c.
Do you have any bandages? I tripped over a stick and skinned my knee.

d.
Do you have any bandages, I tripped over a stick, I skinned my knee