Step 1: Recall the facts:
Label each asana by body position first: A standing, B sitting, C supine, D prone. Then arrange in the order standing, sitting, prone, supine.
Step 2: Match the facts with the options:
Option (1): A, B, C, D gives supine before prone, which is the wrong order for the last two.
Option (2): A, B, D, C gives standing, sitting, prone, supine. This fits the required order.
Option (3): B, A, D, C begins with sitting, but standing must come first.
Option (4): C, B, D, A begins with supine, but standing must come first.
Step 3: Decide:
Only the sequence A, B, D, C follows standing, sitting, prone, supine in that order.
Final Answer:
Option (2) is correct. \[\boxed{\text{A, B, D, C}}\]