The correct answer was D - Over 150 years later

The wrecks of the HMS Erebus and Terror were discovered in 2014 and 2016, over 160 years after their abandonment in 1848, shedding new light on the fate of Sir John Franklin's final expedition. The mission was intended to search for the North-West Passage, but both ships were lost, along with all 129 men on board.

Terrifying tales from the local Inuit followed, of the men succumbing to madness, cannibalism and starvation. But the exact circumstances of their deaths remain a mystery to this day.