A. Jim was being known next to nothing of the events.
B. Next to nothing of the events would be known to Jim.
C. Next to nothing of the events would be known by Jim.
D. It was next to nothing to Jim of the events that he knew.
The given sentence contains one of Model verb (Model Verb = will, shall, can, may, might, could, might, must, would). It is in active voice.
Rule :
Subject + Model verb + be + V3 + Optional Objects.