Which option completes the text below correctly?

The story of a sub's last desperate dive

[...] The lost submarine ______ during an expedition______by Find AE1 Limited in December 2017, more than 103 years after it______near the Duke of York Islands in PNG, ending one of Australia’s longest naval mysteries.

Defence Minister Marise Payne said the images collected during the expedition ______ that the boat’s guardrails ______ and hatches appeared to be shut. “These first assessments from the expedition indicate that the AE1 ______ to be in a state for underwater operations."

(Adapted from http//: www.defence.gov.au/news)