A. Option D
B. Option C
C. Option A
D. Option B
A. to_real(A) + to_real(B) + to_real(C) + to_real(D)
B. sum_n([A, B, C, D])
C. Sum_n((ABCIJ))
D. A+B+C+D
A. Generate...Select Node ("Or").
B. Generate...Select Node ("And").
C. Edit... Select Node ("Or").
D. Edit...Select Node ("And").