Which of the following statements about pointer arithmetic is true?
A. Any arithmetic operator can be used to change the value of a pointer.
B. Given a pointer ptr, ptr + n is a pointer to the value n elements away.
C. Pointer arithmetic is a short-hand notation that changes the value that a pointer is referencing.
D. Pointer arithmetic is valid only with pointers to arithmetic variables, such as pointer to integer.
E. Pointer arithmetic is valid only with the name of the array.
Answer: B
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