Assuming that Grades.h is found in the current directory and the iostream header file is found in the C++ Standard Library header file directory, which of the following preprocessor directives will fail to find its desired header file? A) #include B) #include "iostream" C) #include D) #include "Grades.h"

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Quizplus · Accepted Answer

The directive #include <Grades.h> will fail because it searches for Grades.h in the standard library directories, not the current directory where it is located.

Assuming That Grades