Steganography, the art of concealing a message, image, or file within

Steganography, the art of concealing a message, image, or file within another piece of communication, especially within its alphabet, color, and other transport layers.

A. Steganography, the art of concealing a message, image, or file within another piece of communication,(no verb)
B. Concealing a message, image, or file within another piece of communication is steganography, which is an art,(concealing is not steganography rather steganography is an art of concealing)
C. Steganography is the art of concealing a message, image, or file within another piece of communication,(correct meaning)
D. The art of concealing a message, image, or file within another piece of communication is steganography,(Change in subject changes the meaning)
E. Steganography, the art of concealing a message, image, or file within another piece of communication, is(verb is not placed at correct place)

Choice C is correct.

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Official Explanation:

Meaning Analysis
Steganography,
-the art of concealing a message, image, or file within another piece of communication,
--especially within its alphabet, color, and other transport layers.

The sentence explains what steganography is. It is the art of hiding a message, an image or a file within another piece of communication, especially within its own alphabet, color, and other layers.

Error Analysis
The subject “steganography” does not have a verb. This is the only error in the sentence.

Answer Choices
A - Steganography, the art of concealing a message, image, or file within another piece of communication,
Incorrect: This choice has the error stated in the error analysis.

B - Concealing a message, image, or file within another piece of communication is steganography, which is an art,
Incorrect:This choice distorts the meaning of the sentence. The modifier “especially within…” illogically modifies “which is an art”. As per the original sentence, it should modify “the art of concealing…” since it provides more information about where the messages are concealed

C - Steganography is the art of concealing a message, image, or file within another piece of communication,
Correct: This choice is the correct answer as it has the verb “is” for the subject “steganography”.

D. The art of concealing a message, image, or file within another piece of communication is steganography,
Incorrect:The modifier “especially within its…” in the non-underlined portion of the sentence should modify “the art of concealing…” and not “steganography”.

E - Steganography, the art of concealing a message, image, or file within another piece of communication, is
Incorrect: The subject “steganography” does not make sense with its verb “is”. Steganography is not located within its alphabet, color, and other transport layers. These are the places where the hidden messages are located.

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