Diacope is defined as the repetition of a word or phrase with one or more words in between. However, since that option is not listed, it seems none of the provided responses accurately describe diacope directly.
The closest option would be the repetition of a word or phrase in the middle of sentences, as it relates to the concept of diacope in terms of word repetition, though it lacks the nuance of having a word or phrase separated by other words.