Which one of the following statements is NOT true regarding (+)-Lactose?

1. A
   (+)-Lactose, ${\text{C}}_{12}{\text{H}}_{22}{\text{O}}_{11}$ contains $8$ $-\text{OH}$ groups
2. B
   On hydrolysis (+)-Lactose gives equal amount of $\text{D}(+)$ -glucose and $\text{D}(+)$ -galactose
3. C
   (+)-Lactose is a $\beta$ -glycoside formed by the union of glucose and galactose
4. D
   (+)-Lactose is a reducing sugar and does NOT exhibit mutarotation