While addressing people in an open ground, it begins to rain. Your address is important and you cannot afford to postpone it. What will you do? you would

Asking someone to arrange an umbrella as mentioned in option (a) will not be moral while options (b) and (d) do not serve the purpose as it is mentioned that it is important and you cannot afford to postpone it.
Here, in this case continuing the address without bothering the rain as mentioned in option (c) will be the best course of action.