Answer:
Denise assumes that the speaker is the enemy is the correct answer.
Step-by-step explanation:
The questions asks about the assumption made by Denise about the speaker of the poem. There, she assumes that the speaker is the enemy, this can be seen through syntax, which refers to the word order and the word selection to express the ideas. The speaker's syntax can be related to something hostile and the conditions of having the other part as the enemy.