Stringdate＝"TodayisSunday"；把date转换成全小写的语句是（）A、toLowerCase（date）；B、date.toLowerCase（）；C、date.toUpperCase（）；D、toUpperCase（date）；
Stringdate＝"TodayisSunday"；把date转换成全小写的语句是（）
- A、toLowerCase（date）；
- B、date.toLowerCase（）；
- C、date.toUpperCase（）；
- D、toUpperCase（date）；
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