A. We shall be helped by them with money.
B. We shall help them with money.
C. We should help them with money.
D. We shall not be helped by them with money.
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