单选题Which of the following calendaring syntax expressions would evaluate to the last day of every month?（）A FREQ = MONTHLY; BYMONTHDAY = 31B FREQ = MONTHLY; BYMONTHDAY = -1C FREQ = DAILY; BYDAY = -1D FREQ = MONTHLY; BYDAY = 31E FREQ = DAILY; BYMONTHDAY = L
题目
单选题
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