i need help with 3 and 4!!

Sign 3. Why did Descartes' (French philosopher) version of dualism suggest that it is possible to study behavior scientifically? A) Descartes proposed that all human behaviors are produced by the interaction of body and supernatural glands. B) Descartes proposed that behaviors common to both human beings and animals are produced by the body alone. C) Descartes proposed that the soul does not exist outside the body. D) Descartes proposed that the body controls movement by supematural means and the soul controls thought also by supernatural means. 4. Hobbes's (British philosopher) materialism proposed that: A) the nonphysical soul resides in the brain, where it receives sensory information and produces voluntary choices and actions. B) the soul is a meaningless concept and that apparently voluntary choices are the result of mechanistic operations of the body and brain. C) the soul has a non-physical presence within the brain, which we now call the mind, and that voluntary choices and actions are the result of interactions between soul and body. D) nothing exists in pure form and that voluntary choices and actions result when conflicting material from body and soul collide. Dhunological research in the nineteenth century led to the position that people experience