John only gave a perfunctory examination of the corpse, though he did everything required of him. He missed the real cause of death. He wouldn't have if he had been more what?\nOptions:\n- careful\n- thoughtful\n- complete\n- thorough\n- intricate Hmmm, let me think.
User
Perfunctory means to do something superficially or without any interest or effort. People tend to miss important things when they are not doing something with regard to every detail. Paying attention to details and regarding every point means being thorough.
So, the answer is thorough.
Assistant