Answer:
Answer is B) Madeline is near death, while Roderick's sensitivity (or possible hypochondria) prevents him from leaving the house, ensuring the end of their line.
Refer below.
Step-by-step explanation:
Therefore,
Details of both Roderick's and Madeline's illnesses important to the development of the plot Madeline is near death, while Roderick's sensitivity (or possible hypochondria) prevents him from leaving the house, ensuring the end of their line.