A convergent plate boundary is when two plates move towards each other, also known as a destructive plate boundary. So, the answer is A.
Oldest to youngest- D, A, E, B, C
It's called relative dating, you basically find the rocks that are at the very bottom (oldest), look for the ones that are on the top (younger), but if you find any that are cross cutting, those are the youngest of them all.
In other words: they sailed from Hennø in Norway, heading due west towards Greenland, between Shetland and the Faroes and south of Iceland