The correct option is D Onomatopoeia
A figure of speech is a phrase or a word used in a non-literal sense for rhetorical or vivid effect.Option D) Onomatopoeia is correct as moan and murmuring imitate the sound of the doves and bees respectively. The other options are wrong as no other figure of speech is used in the sentence.The correct answer is D)Onomatopoeia.