（）he saw his mother in person did he apologized. A: AOnly B: BUntil C: COnly when D: DOnly until
（）he saw his mother in person did he apologized. A: AOnly B: BUntil C: COnly when D: DOnly until
[Play]下拉列表框中具有指定播放次数功能的选项是（） A: ARepeatedly B: BUntil True C: CFixNumberof Timse D: DTimes/Cycle
[Play]下拉列表框中具有指定播放次数功能的选项是（） A: ARepeatedly B: BUntil True C: CFixNumberof Timse D: DTimes/Cycle
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