What number would be shown on the screen after the following statements of C are executed?

char ch; 
int i; 
ch = 'G'; 
i = ch-'A';
printf("%d", i);

A. Declare a variable B. Declare a function C. Define a function D. Assign a value

A. . B. ; C. : D. ,

A. char B. int C. float D. double

A. int variable_name; B. variable_name = 5; C. variable_name int; D. int = variable_name;