Explain why a locant is not required to identify the primary functional group when naming aldehydes.

• A. Since the aldehyde group is always at the end of the parent chain, it is always numbered as "1" and its locant is not required to be specified.
• B. Specifying the locant unnecessarily increases the length of the name, so the locant does not need to be specified.
• C. Identifying the locant messes up the numbering for other possible substituents in the compound.
• D. None of the above.

Answer: (A)