The correct option is A Passage 1 emphasizes artistic unity; Passage 2 emphasizes a concern for realism
Sayers stresses on the Aristotelean concept of the unity of plot:a beginning, a middle, a end. Chandler, on the contrary, emphasised on portraying chracters as they should be in real life, doing real life actions. Hence, Option A is correct. The rest of the options do not express this elements, hence, incorrect.