12. A cube has six faces painted in six different colors: red (R), white (W), green (G), brown (B), light green (A), and purple (P). Figure 5 shows three different views. The color opposite the light green face is ( ).
(A) red
(B) white
(C) green
(D) brown
(E) light green
12. A.

Observing Figure 5, we know that apart from R, all other colors are adjacent to A. Therefore, the opposite of A is R.