I believe the answer you are looking for is D. Earlier, Both explain when the first messages were left. Hope this helps!
-Lion
"Cache" - a collection of items of the same type stored in a hidden or inaccessible place.
Ex; In preparation of the drought, the farmer has stored a sizeable cache of water tanks.
The troops are looking for the former dictator’s cache of gold bars.
When digging in the backyard, I discovered a cache of antique coins.
Did the troops ever find the cache of nuclear weapons?
The archaeologist hopes to find a cache of artifacts on his next dig.
Boi im finna flame
Roses are Red
Violets are Blue
Omaeo Mo Shindeiru
No i don't think emerson would have called beowulf a hero and i emerson hero could slay a monster like grendel.