Match List-I with List-II and select the correct answer using the options given below the list:

List-I	List-II
a. TTL	1. Low power consumption
b. ECL	2. High speed
c. CMOS	3. Low propagation delay

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

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

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

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

Answer: Option B