Question

さ

誤りを正す問題で、③が現在完了になるらしいのですが過去完了ではダメですか？

208 The fashion firm,
which was established in 2000, 2 has enjoyed a dramatic
の
increase
a in worldwide orders
の
over the past four years, because sales
6 jumping 30% since 2005.
(北里大)
uiod
naae