Can a Tenant Hang Wallpaper and Paint Rooms Without the Landlord's

Can a tenant hang wallpaper and paint rooms without the landlord's consent?

A) In most states,tenants cannot make alterations,changes that affect the condition of the premises,without the landlord's consent.
B) In most states,tenants may make alterations without the landlord's consent.
C) Tenants may make alterations without the landlord's consent as long as the alterations are necessary and do not reduce the value of the property.
D) Tenants may make alterations without the landlord's consent so long as the alterations increase the fair market value of the premises.
E) Tenants may make alterations without the landlord's consent so long as the alterations enhance the condition of the premises.