Which of the following calendaring syntax expressions would evaluate to the last day of every month？（）
- A、 FREQ = MONTHLY； BYMONTHDAY = 31
- B、 FREQ = MONTHLY； BYMONTHDAY = -1
- C、 FREQ = DAILY； BYDAY = -1
- D、 FREQ = MONTHLY； BYDAY = 31
- E、 FREQ = DAILY； BYMONTHDAY = LAST_DAY
正确答案:B
答案解析:有
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