I believe the answer is B
B. mas because mas means more and you would be saying geometry harder than algebra.
1- La nevera / El refrigerador
2- El mueble / El Sofá
3- El closet / El armario
4- El lavamanos / El Lavadero
5- El bolso / La mochila
6- La mesa
7- La cama
8- La silla
9- La television
10- La regadera / La ducha