The answer is A................
Yes
It uses a lot of commas where you can easily put periods, and it uncomfortably merges multiple sentences into one
Before 900; (noun) Middle English; Old English caru, cearu, cognate with Gothic kara, Old High German chara “lament”
The phrase that indicated a lost in thought feel is the "Midnight shakes the memory". It means that his train of thought is going double time in the dark or at night.
