Who can tell me why the answer of this question is D?

[patrickgong6688]

36. 17.
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 existence, sheltered
D.Up until recently, the Inuit people, leading a nomadic existence, have sheltered
E.Until recent times, leading a nomadic existence, the Inuit people were sheltered

[StaceyKoprince]

In this folder? Nobody, unfortunately. Please read (and follow!) the forum guidelines before posting. :)

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