67. Which of the following is the proper legal remedy to be availed by the buyer if the seller committed a breach of contract of sale of specific thing by non-delivering the subject matter to the buyer? a) File an action for specific performance or exact fulfilment plus damages b) File an action for reformation of instrument plus damages c) File an action for annulment of contract of sale plus damages d) File an action for declaration of nullity of contract of sale plus damages