Jason Has Reached a Card in His Self-Directed Desensitization Procedure

Jason has reached a card in his self-directed desensitization procedure that he cannot visualize without becoming tense in three attempts, so he stops the procedure for the day.The next day, he will continue with the desensitization by

A) starting one or two cards before the one on which he stopped the previous day.
B) starting with the card on which he stopped the previous day.
C) skipping the card on which he stopped the previous day and proceeding with the next card.
D) starting at the beginning of the hierarchy with the least fear-producing card.