Final answer:
Option D is correct because emphasizing the difficulty of St. Ignatius's situation demonstrates his determination and commitment to piety, which aligns with the use of descriptive diction and sensory detail in the text. Therefore, the correct option is D.
Step-by-step explanation:
The question revolves around deciphering how a particular excerpt reinforces the author's central idea about St. Ignatius's commitment to a pious path. Given the context, the appropriate answer would be that emphasizing the difficulty of Ignatius's situation helps the text fulfill its purpose of highlighting his determination.
This is option D. The use of descriptive diction and sensory detail in the narrative, as noted in the prompt, function to pull the reader into the action and foster a deeper emotional connection with Ignatius's path. Moreover, the intent behind choosing specific events and portraying them in a particular manner serves to underscore Ignatius's resilience and steadfast commitment.