Choose the correct option:
Three blocks of identical masses are placed on a frictionless table as shown . The centre block is at rest , whereas the other two blocks are moving directly towards the stationary block with identical speed v . The centre block is initially closer to the left block than the right one . All collisions are elastic . After long time , which of the following is true .

Options

A. (a) The centre block is moving towards left
B. (b) The centre block is at rest somewhere to the left of its initial position .
C. (c) The centre block is at rest at its initial position
D. (d) The centre block is at rest somewhere to the right of its initial position .