A.緊急避險(xiǎn),不應(yīng)當(dāng)處罰 B.避險(xiǎn)過(guò)當(dāng),構(gòu)成故意殺人罪,可以減輕或者免除處罰 C.避險(xiǎn)過(guò)當(dāng),構(gòu)成故意殺人罪,應(yīng)當(dāng)減輕或者免除處罰 D.避險(xiǎn)過(guò)當(dāng),構(gòu)成過(guò)失致人死亡罪,應(yīng)當(dāng)從輕或減輕者處罰