English usage — focus construction with "not until": Replace the faulty time-focus clause. Original sentence: "It was until many years later that Gandhi became a rebel against authority." Choose the option that corrects the focus structure.

Given data

• Emphatic cleft structure with temporal focus.

Concept/Approach
The idiom is It was not until + time expression + that + clause. The negative "not" is essential.

Option analysis
A. "It was not until many years …" → correct starter to the structure. ✔ (The full corrected sentence is implied.)B/D → incorrect phrases.C → incomplete/changes meaning.E → original misses "not".

Corrected sentence (complete)
"It was not until many years later that Gandhi became a rebel against authority."

Final Answer
It was not until many years