Step 1: Parents must be chosen (E) before anything else can happen.
Step 2: Only one option starts with (E), eliminating the other three immediately.
Step 3: After parent choice comes emasculation (A), then bagging/tagging (D), then pollination (B).
Step 4: Final step is harvesting F\(_1\) seed (C), giving the order E, A, D, B, C.