The correct answer is D.
Living in apartheid-era South Africa lead Hilary Kromberg Inglis and her sibilings to become activist against apartheid.
In the story, she experienced first hand what apartheid laws could do to a family. Her uncle Michel had been baned from the country for speaking agains Apartheid when he was out of the country. And even when her granfather was dying, he was not allowed to enter South-Africa, not even to cross the glass of the airport, to say one final goodbay to his father.
Hilary realized then that apartheid was a war, because only wars could cause so much pain, and that created her desire to fight it, to seek for a word with equal human rights for everyone.
The answer is C
Because if it states an opinion-like statement, such as “...they are too complicated to be a reasonable solution to world hunger.” or any false statement, we know that indoor farms CAN be a reasonable solution as they work better and faster than a regular farm does.