I think it is the shortened way of saying it.
Option C) Is the correct one.
Language that creates a mental picture by appealing to the senses (see, hear, smell, taste, or feel)
B. eloquently
After writing for many hours, the journalist felt he had written an important piece that would improve the lives of others. He had written strategically and _eloquently_. He smiled with satisfaction; he may get paid for being a journalist, but he had discovered that being an activist was his true vocation.