Pls help, don't answer if you don't know!

Choose the correct answer. the phrase "por cierto" means: by certain for sure over there for now does anyone know the answer to this question?

¿dónde está el dormitorio? a. el dormitorio está a la izquierda del baño. b. el dormitorio está junto a la cocina. c. el dormitorio está a la izquierda de la cocina. d. el dormitorio está a la derecha de la sala de estar

Ive been trying to figure this out for a week now , you basically explain how to get to each place (bottom right) starting from starting point , pls i need 1-10 by monday