The recursive formula for Catalan number is given by Cn = Ci*C(n-i).Consider the following dynamic programming implementation for Catalan numbers. Which of the following lines completes the below code?

• A. Arr[i] = arr[j] * arr[k],
• B. Arr[j] += arr[i] * arr[k],
• C. Arr[i] += arr[j] * arr[k].
• D. Arr[j] = arr[i] * arr[k],