In order to prevent bar magnets from losing their strength, they are stored with keepers such that the two bars are placed with?

A. like poles facing each other and the keepers placed between them
B. like poles facing each other and the keepers placed between them
C. unlike poles facing each other and the keepers placed at their ends
D. unlike poles facing each other and the keepers placed between them

Correct Answer: Option C

C. unlike poles facing each other and the keepers placed at their ends