Match the following.

List-I	List-II
a. Estimates Committee	1. Examination of appreciated accounts.
b. Public Accounts Committee	2. Suggestion of economies in expenditure.
c. Committee on sub-ordinate legislation	3. Examination of rules made by the executive departments under Acts passed by the legislature.
d. Committee on Public Undertakings	4. Review of working of public sector undertakings.

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

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

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

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

Answer: Option B