Final answer:
Clara, the character in 'The Waiter's Wife' by Zadie Smith, doesn't take any of the listed actions at the end. The story closes on her reflections, leaving her future actions open and not specified.
Step-by-step explanation:
In the story "The Waiter's Wife" by Zadie Smith, Clara, one of the central characters, does not ultimately do any of the options provided in the question. The story ends with Clara facing uncertainty about her future, but she does not take a definitive action such as leaving the country, opening a restaurant, marrying the waiter, or writing a book.
Instead, she reflects on her life and the complexities of her relationship. It's important to note that "The Waiter's Wife" is a chapter from Zadie Smith's novel White Teeth, and Clara's story develops over time. By the end of the chapter, her next steps are not clearly stated.
At the very end of The Waiter's Wife, Clara opens a restaurant. Throughout the story, Clara dreams of opening her own restaurant and at the end, she finally realizes her dream.
Therefore answer is D. Writes a book.