单项选择题
A.善意取得B.继受取得C.原始取得D.接受取得
A.He should press and try the buttons one by one.B.He should ask the salesgirl to show him how to operate it.C.He should read the user's operation manual first.D.He should try to remember what the salesgirl showed him.
A.2万元B.4万元C.6万元D.8万元