Which of these is not one of the 5 official languages spoken in Spain? aCastilian bCatalan cCeltic dGalician eAranese fBasque

Break Down the Problem

1. Identify the five official languages spoken in Spain.
2. Compare the options provided to determine which one is not an official language.

Relevant Concepts

Spain has several co-official languages alongside Spanish (Castilian), including regional languages recognized at various levels.

Analysis and Detail

1. Castilian: This is the primary language of Spain and often referred to simply as Spanish.
2. Catalan: An official language spoken in Catalonia and the Balearic Islands.
3. Galician: An official language in Galicia, spoken in the northwest region of Spain.
4. Basque: An official language in the Basque Country, with a unique linguistic heritage.
5. Aranese: A variant of Occitan, which is co-official in the Val d'Aran region of Catalonia.

Verify and Summarize

Now, we look at the options:

• a) Castilian - Official
• b) Catalan - Official
• c) Celtic - Not official
• d) Galician - Official
• e) Aranese - Official
• f) Basque - Official

The only language in the options that is not an official language in Spain is Celtic, which refers more broadly to a family of languages and not one specifically spoken in Spain.

Final Answer

c) Celtic is not one of the 5 official languages spoken in Spain.