Answer:
The correct answer is A: Andrew Carnegie married Louise Whitfield in 1887 and had a daughter named Margaret. He passed away on August 11, 1919, due to a bout of pneumonia.
Explanation:
The sentence from the passage describes Carnegie as a big philanthropist who was wealthy and tends to help other people who didn't have enough money.
Option A is the only one that cannot be considered as a supporting detail for the sentence because it reveals some stuff about his family and the date and the reason for his death.
The rest of the options refers to Carnegie's devotion to philanthropy and those sentences can be considered as a supporting details for the excerpt above.