The Correct Order for the Last 4 Episodes in the Strange

The correct order for the last 4 episodes in the Strange Situation procedure is

A) reunion; stranger leaves, mother leaves again, stranger enters again, reunion; stranger leaves.
B) reunion; stranger leaves, stranger enters again, mother leaves again, reunion; stranger leaves.
C) reunion; stranger leaves, mother leaves again, reunion; stranger leaves, stranger enters again.
D) stranger enters again, reunion; stranger leaves, mother leaves again, reunion; stranger leaves.