Choose the most appropriate option to change the voice (active / passive) form of the given sentence.
High interest rates are alarming automobile dealers.

Options

A. a) Automobile dealers is being alarmed by high interest rates.
B. b) interest rates have alarmed automobile dealers.
C. c) High interest rates has been alarmed by automobile dealers.
D. d) Automobile dealers are being alarmed by high interest rates.

Answer

D