No sooner _____ themselves in their seats in the theatre _____ the curtain went up.
A. they have settled; before B. had they settled; than
C. have they settled; when D. they had settled; than
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No sooner _____ themselves in their seats in the theatre _____ the curtain went up.
A. they have settled; before B. had they settled; than
C. have they settled; when D. they had settled; than