How would you begin the sentence "You follow the instructions carefully" with "It is essential that"?

The reason the selected answer is the most appropriate transformation relates to the use of "essential." When you begin the sentence with "It is essential that," you are highlighting a fundamental requirement without altering the original meaning of the statement. In essence, the word "essential" conveys a sense of absolute necessity, perfectly aligning with the original idea of following the instructions with care.

While the other options use synonyms like "necessary," "important," and "vital," they do not convey the same degree of permanence and urgency that "essential" does. Each of these words could be considered less forceful or urgent compared to "essential," thereby slightly altering the emphasis of the original sentence. The answer captures the original meaning with a strong emphasis on the importance of following the instructions.