Resistance and resistivity — practice question

What is the SI base-unit expression for resistance?

• A$\text{kg m}^2\ \text{s}^{-2}\ \text{A}^{-1}$
• B$\text{kg m}^2\ \text{s}^{-3}\ \text{A}^{-2}$
• C$\text{kg m s}^{-2}\ \text{A}^{-1}$
• D$\text{kg m s}^{-3}\ \text{A}^{-1}$