Which of the following may not be the reason for Ms. Kelsen to refuse Xiao Wang’ offer of a gift?
选项：

A:Ms. Kelsen may feel that teachers should not accept gifts, especially valuable ones, from students.
B:Ms Kelsen may feel that she only did her duty, so she doesn't deserve such a special gift.
C:Ms. Kelsen is afraid that other people will find out that she accepted the gift, and will think that she took a bribe.
D:Ms Kelsen doesn’t like Xiao Wang and doesn’t want to contact him any more.