Match the List-I with the items of List-II relating to human resource planning activities, and indicate the correct matching.

List-I	List-II
a. Forecasting	1. Optimal employment
b. Inventorying	2. Development activities
c. Anticipating manpower problems	3. Mathematical projections of industrial trend
d. Planning programmes	4. Projecting present resources into future

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

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

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

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

Answer: Option D