The average values of modulus of rigidity for aluminium brass, copper and steel in descending order is

• A. Aluminium, nickel, brass, copper and steel
• B. Aluminium, copper, nickel, brass and steel
• C. Aluminium, copper, brass, nickel and steel
• D. Aluminium, brass, copper, nickel and steel
• E. Aluminium, brass, nickel, copper and steel