I think D; Loyal to his people and their cause.
Answer:
The words fruitless and vain are common synonyms of futile. While all three words mean "producing no result," futile may connote completeness of failure or unwisdom of undertaking. resistance had proved so futile that surrender was the only choice left How do fruitless and vain relate to one another
Answer:
The implicit detail is : "in another language"
Explanation:
This is because implicit means it doesn't say something in the text directly. We know that this means that Jilly didn't understand the math, however, the text didn't directly say that.