Given below are two statements:
Statement-$I$: Insulin acts mainly on hepatocytes and adipocytes.
Statement-$II$: Catecholamines are secreted in response to stress of any kind and during emergency situations.
In the light of the above statements,choose the most appropriate answer from the options given below.

• A
  Both statement-$I$ and statement-$II$ are correct
• B
  Both statement-$I$ and statement-$II$ are incorrect
• C
  Statement-$I$ is incorrect and statement-$II$ is correct
• D
  Statement-$I$ is correct and statement-$II$ is incorrect