A woman makes a gift to the younger of her two children. After a year, she makes a similar gift to her older child. Six years later, having forgotten about the first gift, the woman makes a further gift to her younger child 'in order to treat both children equally'. The woman later realises her error and seeks recovery of the third gift.Which of the following ly describes the status of the third gift?
选项：

A:The gift may not be recovered as it is not trust property.
B:The gift cannot be recovered during the woman's lifetime but may be recovered by her executors after her death.
C:The gift is subject to a resulting trust in favour of the woman.
D:The gift will be held on a constructive trust in favour of the woman.
E:The gift is void for error or mistake.