The following algorithm computes the average height for a list of basketball player heights. 1. Initialize a variable sum to 0. 2. For each height in the list: 3. Return sum divided by the total number of heights. A D Which building blocks are involved in this algorithm? Choose all answers that apply: B . Convert height from feet & inches format to total inches Add height to sum. Note that there may be multiple answers to this question. X4 Selection Iteration Sequencing None of the above