Only as an interpreter how important it was to practise speaking English.A. when did I w

问题补充：

Only as an interpreter how important it was to practise speaking English.A. when did I work…I realizedB. when did I work…did I realizeC. when I work…did I realizeD. when I worked…did I realize

答案：

主句倒装，从句不倒装。