In a lithium bromide absorption refrigeration system

A)
water is used as a refrigerant and lithium bromide as an absorbent
B)
lithium bromide is used as a refrigerant and water as an absorbent
C)
ammonia is used as a refrigerant and lithium bromide as an absorbent
D)
None of the above

Correct Answer : Option (A) :   water is used as a refrigerant and lithium bromide as an absorbent