It is false that the Gibbs family owns the blanket factory. It is Mr. Cartwright who owns the blanket factory.
I think the answer is OC because in variable line poetry, the intention is to produce this contrast consciously and to produce a rhythm of shorter and longer lines, like the rhythm of shorter and longer sentences.
Sounds like the character is full of herself yet realizes that people view her choices and behavior differently. My opinion :)
Summarize what you read.
Hope this helps:)