Consider the following:
Statement-$I$ : Lactose is composed of $\alpha-D$-glucose and $\beta-D$-galactose.
Statement-$II$ : Lactose is a reducing sugar.
The correct answer is

• A
  Both statement-$I$ and statement-$II$ are not correct
• B
  Both statement-$I$ and statement-$II$ are correct
• C
  Statement-$I$ is correct,but statement-$II$ is not correct
• D
  Statement-$I$ is not correct,but statement-$II$ is correct