It was too noisy outside.not until Ishouted at the top of my voice________his head.A.did he turn b.had he turnedc.he hadn't turned Dhe didn't turn

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It was too noisy outside.not until Ishouted at the top of my voice________his head.
A.did he turn b.had he turned
c.he hadn't turned Dhe didn't turn

A.
not until 句型要部分倒装.根据时态来看应选A.

a,not在前面应用部分倒装