What is wrong with the following compare function to used by the ADT?bool compareStu (void* stu1, void* stu2){ STUDENT s1; STUDENT s2; s1 = *(STUDENT*)stu1; s2 = *(STUDENT*)stu2; if ( s1.id != s2.id) return false; return true;}
A. It should return low (-1), equal (0), or high (+1).
B. s1 and s2 should be defined as STUDENT *s1 and STUDENT *s2.
C. The assignment of s1 should be written as "s1 = *(STUDENT)stu1"; the same for s2.
D. The id field should be referenced as "s1->id" and "s2->id".
Answer: A
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