单项选择题

A. the address field is computed B. jim should have use……

jim has created a field hint for the address field. Users tell him this text disappears when they click in the address field. which one of the following is most likely reason?（）

A. the address field is computed
B. jim should have used a text popup
C. jim stored the field hint in the database
D. field hint only display when the user has not clicked in the field （field hint）

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