单项选择题

Given a valid DateFormat object named df，and
16.Date d = new Date（0L）；
17.String ds = "December 15， 2004"；
18.//insert code here
What updates d’s value with the date represented by ds？（）

A.18. d = df.parse（ds）；
B.18. d = df.getDate（ds）；
C.18. try {19. d = df.parse（ds）；20. } catch（ParseException e） { }；
D.18. try {19. d = df.getDate（ds）；20. } catch（ParseException e） { }；

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Given a valid DateFormat object named df，and 16.Date d = new Date（0L）； 17.String ds = "December 15， 2004"； 18.//insert code here What updates d’s value with the date represented by ds？（）

Given a valid DateFormat object named df，and
16.Date d = new Date（0L）；
17.String ds = "December 15， 2004"；
18.//insert code here
What updates d’s value with the date represented by ds？（）