Facet means a particular aspect or feature of something. E.g. Police is considering every facet of the case very minutely. 'Sweet' means pleasing or delightful. 'Tap' means to draw liquid through a tap or exploit. 'Deceit' means action of deceiving someone by misrepresenting the truth. 'Aspect' means feature of something. Thus, option D is the correct synonym for the given word. Rest of the options are incorrect.