Select a figure from the answer set the contents of which may best substitute the question marks in problems at such that figure III is related to figure IV in the same way as figure I is related to figure II.
Problem figures:

Answer figures:

Show answer & explanation
Correct answer: C
Explanation
Since figures I and IV are missing, the relation between II and III is used. It shows conversion from open to closed. Hence, reverse transformation is applied to figure III, giving option 3.
