Final answer:
Robert Browning's style is described as innovative and dramatic, known for his unconventional use of language, dramatic monologues, and exploration of complex themes.
Step-by-step explanation:
Robert Browning's style is described as d) Innovative and dramatic. His poetry is known for its unconventional use of language, dramatic monologues, and exploration of complex psychological and moral themes. One example of Browning's innovative style is his poem 'My Last Duchess,' where he presents the character's thoughts and emotions through a dramatic monologue and reveals deeper layers of meaning through subtle word choices and vivid imagery.