[ Grammar ]
The teacher had barely started the lesson when the bell rang. (Use: No sooner…than)
A. No sooner had the teacher started the lesson than the bell rang.
B. No sooner did the teacher start the lesson than the bell rang.
C. No sooner the teacher had started the lesson, than the bell rang.
D. No sooner had the teacher started the lesson when the bell rang.
Select your answer:

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