gwd-25-17 virgin discussion

Q17

Until recently, the Inuit people led a nomadic existence, sheltering in

igloos, the ice-block domes that are peculiar to north-central Canada,

and in structures made of stones, bones, driftwood, and skins.

A.    Until recently, the Inuit people led a nomadic existence, sheltering

B.     During recent times, the Inuit people lead a nomadic existence,

sheltering.

C.     In the times that are recent, the Inuit people led a nomadic exis-

tence, sheltered.

D.    Up until recently, the Inuit people, leading a nomadic exis-

tence, have sheltered.

E.     Until recent times, leading a nomadic existence, the Inuit people

were sheltered.(D)

my anwser is A. D's have is wrong. It should be past not perfect