If the minimum support is 50%, what represents the complete list of frequent 2-itemsets?

Consider the following itemsets:

(hat, scarf, coat)

(hat, scarf, coat, gloves)

(hat, scarf, gloves)

(hat, gloves)

(scarf, coat, gloves)

If the minimum support is 50%, what represents the complete list of frequent 2-itemsets?
A . (hat, scarf), (hat, gloves)
B . (hat, scarf), (scarf, coat), (coat, gloves)
C . (scarf, gloves), (scarf, coat) (hat, gloves)
D . (hat, scarf), (hat, gloves), (scarf, gloves), (scarf, coat)