Why is the iambic pentameter particularly useful in shakespeare's drama macbeth? a. in a drama, the lines are spoken aloud, and this meter follows the natural voice pattern. b. in a drama, the lines are best spoken, and this meter has all stressed syllables. c. in a play, the lines are not spoken, so the meter doesn't matter. d. in a drama, the lines are best written in plain verse, such as iambic pentameter, so everyone can understand them.