In each question below is given a statement followed by two course of action numbered I and II . A course of action is a step or administrative decision to be taken for improvement , follow up or further action in regard to the problem policy etc. On the basis of the information given the statement you have to assume everything given in the statement to true and then decide which of the suggested course of action logically followers for pursuing . Given answer .
Statement: Some strains of mosquito have become resistant to chloroquine - the widely used medicine for malaria patients.
Course of Action:
I. Selling of chloroquine should be stopped.
II. Researchers should develop a new medicine for patients affected by such mosquitoes.
III. All the patients suffering from malaria should be checked for identification of causal mosquito.

Options

A. None follows
B. Only I and III follow
C. All follow
D. Only II and III follow

Answer

D

Explanation

Only II and III follow because both are preventive course of action .