Given below are two statements $:-$
Statement-$I$ :- Each organised skeletal muscle in human body is made of a number of fascicles,held together by a common connective tissue layer called fascia.
Statement-$II$ :- The portion of the myofibril between two successive '$Z$' lines is considered as the functional unit of muscle contraction,known as a sarcomere.
In the light of the above statements,choose the correct answer from the options given below $:-$

• A
  Both statement-$I$ and statement-$II$ are true
• B
  Statement-$I$ is true but statement-$II$ is false
• C
  Statement-$I$ is false but statement-$II$ is true
• D
  Both statement-$I$ and statement-$II$ are false