A painting of three figures sitting around a table. Each person has an elongated body and a halo around their head. In this work of art, which of the following can be observed? a. The artist painted the figures with elongated necks, legs, and arms. b. The figures are placed in a triangular shape, as geometric conventions were common in art during this time period. c. This piece is intended to represent the Christian trinity. d. All of the above can be observed. Please select the best answer from the choices provided A B C D