What is the term for the specific variety of the Spanish language that includes loanwords from indigenous languages, a characteristic 'sing-song' intonation and the informal second-person plural 'ustedes' replacing 'vosotros'?

• A Espanol rioplatense
• B Espanol andaluz
• C Espanol mexicano ✓
• D Espanol caribeno

This variety is the most widely spoken Spanish dialect by number of native speakers, with distinct vocabulary and accent recognised throughout the Spanish-speaking world.