The data type used for storing the grade of a test score in a class is char. Then the correct option is A.
A specific type of data object is described by the information it can hold, the computer language it's written in, and the actions it can execute.
As per the test result, the grades will be A, B, C, and D. So we need to hold the letters A, B, C, and D in a parameter, and we use the char input data to store a character. If we need to store a test score like 67.00 percent, we have the double data structure variable since it has a quantity after the numerical value, whereas we can only hold data points in the int base class variables.
The data type used for storing the grade of a test score in a class is char.
Thus, the correct option is A.
More about the data type link is given below.
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