Consider the following statements:
Statement-$I$: Nylon $6$ is a condensation copolymer.
Statement-$II$: Nylon $6, 6$ is a condensation polymer of adipic acid and hexamethylenediamine.
The correct answer is:

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