Answer:
A, B, C (but not as often), E,
Explanation:
I would put a comma before and or leave the comma out
Keeps them warm so they do not freeze in the cold !
Answer:
by the stock of superlatives the author means the group of people who were superlative or of high post or standard in the audience.
And the sentence means that the person exhausted or astonished the minds of his audience that even the superlatives were surprised by his lecture and was....as said the first after Desmond Tutu in 2008 to get a standing ovation or the highest standard of applause to him.
maybe the author just want to keep that info secret and the story maybe not true at all so author doesn't want to tell readers, that what I think!