fot the first one i think its- expand is to increase in volume and proliferate is to increase in number- so its B.
second one- mock is to imitate (in a derogatory way)
taunt is to challenge(in a derogatory way)
so its E.
third one- volatile temper is to have abrupt changes in temper
so it must be ready wit since no other option fits into this bridge...
por favor, el seņor correct me if i am wrong...