Which of the Following Statements Is TRUE

Which of the following statements is TRUE?

A) By law, tenants generally are responsible for repairs to commercial premises.
B) By law, landlords generally are responsible for repairs to commercial premises.
C) By law, tenants are only responsible for repairs of deterioration caused by reasonable wear and tear.
D) By law, tenants are only responsible for repairs when the premises become unusable.
E) both B and C