What is the name of the Spanish reality singing competition, launched in 2001, that produced international stars such as David Bisbal and David Bustamante?

• A Factor X
• B La Voz
• C Eurojunior
• D Operacion Triunfo ✓

Operacion Triunfo is Spain's most influential music reality show, launching numerous pop stars and serving as the national selection for Eurovision in several years.