Which is the best correction of the sentence fragment?

David wants to buy a bike. Or a scooter.

David wants to buy a bike or a scooter.

David wants to buy a bike, or he wants to buy a scooter.

David wants to buy a scooter. Or a bike.

David wants to buy. A bike or a scooter.

Um i think the answer is either A or B

Explanation:

because if your combining them you would either do it like A or you would use a comma.

c is not it because its the same as original but its switch

D is not it because you never use a period when combining to sentences.

Sorry i couldn't be more specific