Identify the sentence that corrects the error in the use of the subjunctive mood in this sentence:
a. If Betty had not shown up on time last night, Archie would never have met her.
b. If Betty had not shown up on time last night, Archie can never meet her.
c. If Betty has not shown up on time last night, Archie will never meet her.
d. If Betty shows up on time last night, Archie would never have met her.