What should be added when an adverb begins a sentence

Which of these statements is evaluative in nature a) the short passage creates a brilliant and sketch of gabriel b) resulting from the fact that gabriel is observant, he is also reflective c) the way gabriel looks at his wife shows that he is a detached onlooker d) that gabriel is observant is evident from the minute details he notices

Why is reasoning relivant to reading and evaluate text?

How do i correct this sentence correctly?