Question

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Explanation:

The "not" logic block inverts the truth value of a condition. So if the "not" block is part of a control structure's condition, the original condition (inside the "not" block) must be false for the entire "not" condition to be true (since not false is true). Option A is wrong because not true is false. Options C and D are about multiple conditions, but the "not" block operates on a single condition's negation, so they're incorrect.

Answer:

B. The condition must be false.