A derived unit is a unit that is created by combining one or more of the base units. In the options you provided:
A. Ampere - Base unit (electric current) B. Kilogram - Base unit (mass) C. Second - Base unit (time) D. Ohm - Derived unit (electrical resistance, measured as volts per ampere) E. Kelvin - Base unit (temperature)
Among these options, the derived unit is D. Ohm.