Which one of the following statements is not true regarding $(+)$ lactose?

• A
  On hydrolysis $(+)$ lactose gives equal amount of $D(+)$ glucose and $D(+)$ galactose.
• B
  $(+)$ Lactose is a $\beta-$ glucoside formed by the union of a molecule of $D(+)$ glucose and a molecule of $D(+)$ galactose.
• C
  $(+)$ Lactose is a reducing sugar and does not exhibit mutarotation.
• D
  $(+)$ Lactose,$C_{12}H_{22}O_{11}$ contains $8-OH$ groups.