B. He has his standard, and his standard is faithfulness. As Jesus tells this parable of the Kingdom, his standard is clear. He doesn't suggest at all that he thinks five is better than two. You have been faithful. In contrast, as he turns to the third servant he sees a blatant lack of faith.
Faithfulness is faith at work over the long haul.
Believing in Jesus allows you to use gifts God has given you. At times God places us in obscurity. The world is moved along, not only by the mighty shoves of its heroes, but also by the aggregate of the tiny pushes of each honest worker. He calls us to be faithful. He doesn't expect us to be God, creating the results.