He had disliked him very much and did not do anything to like him or at least listen to him on what he had to say
Answer: A. Extraordinarily important.
Explanation: Based on the information presented in the excerpt, we can infer that the information in the wireless message was extraordinarily important, because all the signs the characters give each other without even saying a word, like that the twitching of "Blinker's" eyes became more pronounced as he was reading the message and also the seriousness of de Grey while he delivered the message.
I think the answer is: A. Personification
I hope this helps!