I believe the answer you're looking for is D.
Answer:
The Gods and Giants died
Explanation:
Heimdall and Loki came face to face, and each slew the other. Thus every one of the gods battled each with his foe, till at last the darkness grew deeper, and all, both gods and giants lay dead. Then fire burst forth, raging from Utgard to Asgard — and all the worlds were destroyed in that dreadful day of Ragnarok.
One is proof , I dont remember the other
