Saturated carbon compounds can form which types of chain structures?_x005F_x000D_ Â _x005F_x000D_ I. Straight chain_x005F_x000D_ II. Branched chain_x005F_x000D_

• A. Only I
• B. Only II
• C. Neither I nor II_x005F_x000D_
• D. Both I and II