Final answer:
The rhetorical strategy used in the sentence 'Who do you like better, me or Sydney?' is a rhetorical question.
Step-by-step explanation:
The rhetorical strategy used in the sentence 'Who do you like better, me or Sydney?' is a rhetorical question. A rhetorical question is a figure of speech in the form of a question that is posed for the purpose of making a point rather than eliciting a direct answer. In this sentence, the speaker is not genuinely seeking an answer, but instead using the question to highlight the significance of the listener's preference.