Given a text T, and several options, according to the question posed in the text T to choose the most appropriate option from the options as the answer, please directly output the most appropriate option, do not need to output the explanation.

Based on put-call parity, a trader who combines a long asset, a long put, and a short call will create a synthetic:
Option A:long bond.
Option B:fiduciary call.
Option C:protective put.

Answer: A