10) In the following statements about function mechanism, which is INco A. The program execution stack is a data structure that supports last-in, first-out (LIFO B. The program execution stack contains the memory a function. for the local variables used in each invocation of C. When a function call is made, the activation record for that function call is popped off the program exccution stack When the function returns to its caller, the activation record for this function call is deleted in the program execution stack. D