Final answer:
Bella in 'Good Lady Ducayne' seeks work as a companion due to financial necessity, not due to literary interests, investigation, or revenge.
Step-by-step explanation:
The character Bella must find work as a companion in Good Lady Ducayne because she needs money to support herself. This option is reflective of a common theme in literature where characters take on jobs or roles out of financial necessity.
The other choices provided, such as being interested in Gothic literature, wanting to investigate a murder, or seeking revenge, do not pertain to Bella's motivations in the story. Therefore, the correct answer is that Bella needs money to support herself.
Bella has to find work as a companion in Good Lady Ducayne because d) she needs money to support herself. In the story, Bella is in a financially vulnerable position and needs to find employment to sustain herself. Becoming a companion to Lady Ducayne offers her a means of earning income and supporting her living expenses.