Critical Thinking QuestionsCase 4-1Brian is trying his best to understand the concept of variable scope, so he calls his friend Molly for guidance.Brian has defined a variable named strNumberOfSongs within the click event handle for a Submit button, and he has been frustrated in his efforts to refer to this variable in the click event handler for a Clear button. What does Molly tell him is going on?
a. The variable strNumberOfSongs has no scope.c. The variable strNumberOfSongs was not declared correctly.b. The variable strNumberOfSongs is a local variable.d. The variable strNumberOfSongs is a global variable.
What will be an ideal response?
Answer: B
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