What is the contrapositive of the statement: If it rains, then I stay at home.

Question

$\begin {array} {1 1} (A)\;If\: i\: stay\: at \:home,\: then\: it\: rains \\ (B)\;If \: i\: stay\: at\: home,\: then \: it \: does\: not\: rain \\ (C)\;If\: i\: do\: not\: stay\: at \: home, \: then \: it \: does\: not\: rain \\ (D)\;If\: i\: do\: not\: stay\: at\: home,\: then\: it \: rains \end {array}$