Match List-I correctly with List-II and select your answer using the options given below:

List-I (Request)	List-II (Device)
a. Interrupt	1. I/O device
b. Wait	2. DMA controller
c. Hold	3. Memory

A. a-1, b-2, c-3

B. a-1, b-3, c-2

C. a-2, b-1, c-3

D. a-2, b-3, c-1

Answer: Option A