Which of the following calendaring syntax expressions would evaluate to the last day of every month?()

题目
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

参考答案和解析
参考答案:B
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