When you have a nose bleed,

Question

$\begin{array}{1 1} (a)\; \text{you should lean forward and pinch your nose.} \\ (b)\; \text{make to sit the person up straight and drop their head slightly forward.} \\ (c)\; \text{apply lot of water and antiseptic lotion } \\ (d)\; \text{make the person to lie backside and pat on the head} \end{array}$