Statement I: A body can have acceleration even if its velocity is zero at a given instant .
Statement II: A body is momentarily at rest when it reverses its direction of velocity.
A. If both assertion and reason are true and the reason is the correct explanation of the assertion.
B. If both assertion and reason are true but reason is not the correct explanation of the assertion.
C. If assertion is true but reason is false.
D. If the assertion and reason both are false