The word "sunny" in this sentence is used in a figurative sense. To determine the meaning of the word, you should consider its context and how it is being used. In this case, it is explaining the positive and cheerful nature of Dee's personality. "Sunny" is not being used in its literal sense to describe the weather or physical sunlight, but rather to convey Dee's positive demeanor. Therefore, the correct answer is C. Figurative.
