Final answer:
The correct way to call a constructor and create a new instance of a class named Qwerty is 'Qwerty balloon = new Qwerty();' from the given options.
Step-by-step explanation:
The student's question is asking which of the given options correctly calls a constructor method for a class named Qwerty in programming. The correct option that creates a new instance of the Qwerty class using its constructor is option c: Qwerty balloon = new Qwerty();. This line of code declares a variable of type Qwerty named balloon and assigns it a new instance of the Qwerty class. The new keyword is used to call the constructor of a class and create an object.