Given below are two statements:
Statement $I:$ Area under velocity-time graph gives the displacement of the body in a given time.
Statement $II:$ Area under acceleration-time graph is equal to the change in velocity in the given time.
In the light of given 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.