Final answer:
The repetition of "fallen cold and dead" emphasizes the speaker's grief and shock at the captain's death.
Step-by-step explanation:
The repetition of "fallen cold and dead" emphasizes the A. The speaker's grief and shock at the captain's death. This phrase conveys a sense of sadness and loss, as well as the finality of death. The repetition emphasizes the emotional impact of the captain's death on the speaker.