Answer:
The right option for the affirmation: "Si eres extranjero, una forma de transporte popular en Guatemala es" is:
Step-by-step explanation:
In Guatemala, since 2007 there is a bus system called "Transmetro", which really is a shuttle bus system that connects main areas, meanwhile, in 2010 the system "Transurbano" was implemented which offered access to areas difficult to access, however, if you have never been to Guatemala I recommend you to be careful, all current urban transport systems are deficient and have additional problems such as common crime, precisely the current shuttle bus system is in a judicial process for possible embezzlement to the nation.