Statement : There is an overall outbreak of epidemics of water-borne diseases in the state as an after-effect of recent floods.
Courses of action : I. The civic authorities should advise the people to use water purifiers before using drinking water and also advise them to maintain overall cleanliness in the locality. II. The civic authorities should instruct the water supply department to add extra purifying elements to the water tanks before supplying water to the public.

Options

A. if only I follows
B. if only II follows
C. if either I or II follows
D. if both I and II follow

Answer

D

Explanation

Course of action I is advisable because it will be helpful to reduce the chances of infections caused by water. Course of action II is also advisable because it will be helpful to reduce the water-borne diseases.