Based on the description below, what kind of loop do you think should be used?Students' scores in a class are entered as percentages. The program is to display a letter grade when the percentage is input and display cumulative totals for the number of As, Bs, Cs, Ds, and Fs earned. The program should also check for invalid input.
A. For loop
B. While loop
C. Nested loop
D. Array
Answer: B
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