Course of Action - Verbal and Reasoning

Directions to SolveIn each question below is given a statement followed by three courses of action numbered I, II and III. You have to assume everything in the statement to be true, then decide which of the three given suggested courses of action logically follows for pursuing.
Q1:

Statement: A mass mortality of shrimps in ponds on entire Andhra coast has recently been reported due to the presence of a virus. Courses of Action:
  1. The water of the ponds affected should immediately be treated for identifying the nature of the virus.
  2. The catching of shrimps from the ponds should temporarily be stopped.
  3. The fishermen should be asked to watch for the onset of such phenomenon in nature.

A Only I follows

B Only I and II follow

C All follow

D Only II and III follow

E None of these

ANS:A - Only I follows

Explanation: The urgent need is to identify the causative virus and then treat the pond water accordingly to eliminate them. So, only I follows.