Which of the following statements about counter-controlled loops is true?
A. They can be used only when the number of times the loop is to be repeated is known before the loop starts.
B. The number of times the loop is to be executed must be a constant.
C. The update in a counter-controlled loop is an increment.
D. They cannot be used when the limit is a calculated value.
E. The counter must be initialized as the first statement in the loop body.
Answer: A
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