Final answer:
The first Whataburger 'A' frame building with an orange and white striped roof opened in the year 1960.
Step-by-step explanation:
The first "A" frame building with an orange and white striped roof refers to the iconic design of the Whataburger fast-food restaurants. The correct answer for when the first building with this design opened is C) 1960. Whataburger, a company that stared in 1950, introduced this distinctive building design in the early 1960s. The design became a signature look for the brand and is easily recognizable to many people.