A.Practise perseverance or never give up a thing because it is hard or
inconvenient.
B.Practise perseverance and not to give up a thing because it is hard or
inconvenient.
C.Practise perseverance and never give up a thing because it is hard or
inconvenient.
D.Practise perseverance or not to give up a thing because it is hard or
inconvenient.