I’ll try to help my best “ a troubled mind caused me to walk abroad” i think he means while his mind is troubled or he has a lot on his mind he is pacing as one would tend to do when stressed
Think A is correct. It references Mr. Sparks expertise which lends credence to his subsequent description. Additionally, since the description is in his words, they are surrounded by quotation marks citing to all readers he should get credit for being used in 3rd party research.
