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

List-I (Oscillator)	List-II (Characteristics Features)
a. Wien Bridge	1. RF oscillator two inductance and one capacitance on the reactance network.
b. Colpitts	2. LC oscillator for radio frequency : three capacitances and one inductance in the reactance network.
c. Hartley	3. RC oscillator for audio frequency applications.
d. Clapp	4. RF oscillator : two capacitances and one inductance as the reactance network.

A. a-2, b-1, c-4, d-3

B. a-2, b-4, c-1, d-3

C. a-3, b-4, c-1, d-2

D. a-3, b-1, c-4, d-2

Answer: Option C