In the given stanza from Elizabeth Bishop's poem "The Fish," a tone of wonder and awe is developed through the use of vivid imagery. The comparison of the fish's skin to "ancient wallpaper" evokes a sense of history and the passage of time, inviting readers to reflect on the beauty and complexity of the creature's appearance. The detailed description of the skin's pattern and the mention of "full-blown roses" create a visual richness that elicits admiration and a sense of reverence for the fish. Therefore, the most appropriate choice is:
A tone of wonder and awe is developed through the use of imagery.