Which combination forms the tiny datapath?

Which combination forms the tiny datapath?

• A. A two-bit register built from flip-flops, a 2-to-1 MUX, and a 2-to-4 decoder
• B. A four-bit register, a demultiplexer, and a 3-to-8 decoder
• C. A one-bit register, a 4-to-1 MUX, and a 2-to-4 decoder
• D. An eight-bit register, a 2-to-4 MUX, and a 3-to-8 decoder

Answer: (A)