Q5Single correct3 Marks18 Dec 2025If nnn is a positive integer, what does the following snippet compute? ``` Q = [x for x in range(1, 3 * n + 1) if x % 3 == 0] print(sum(Q)) ```A1+2+3+...+nB3+6+9+...+3nC1+2+3+...+3nD1+3+5+...+(2n+1)E1+3+5+...+(3n+1)