If you are head of your office, some media people come to your office and request you brief them about the pension plan of your office, you will:

Ask them to wait and to consult the official concerned

The correct answer is Option (4) → Ask them to wait and to consult the official concerned

Here, options (a) and (c) are not appropriate as these are not valid on ethical ground

while option (b) is also not valid as you are the head of the office and you have certain important tasks to accomplish

In this case, option (d) would be the the best course of action as there are certain officials for each work in every office, so one has to consult them.