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QUESTION 3 which of the following statements about the pointer is not true? A pointer constant is equivalent to a symbolic constant, in that the address stored in the pointer constant cannot be changed once it is set. Any subscript used by a programmer is automatically converted to an equivalent pointer expression by the compiler. Access to an array using a subscript can always be replaced by an equivalent access using the array name as a pointer. A pointer access can sometimes (but not always) be replaced using subscript notation. QUESTION 4 Given: string professor = "May Hou"; string *p, q; Which of the following is a valid statements? O q = professor; q = &q; Op = &professor; 9 = p; q = & professor; p = &q; None of the above