Geometry

Question Analysis:
This question tests understanding of the conditions that prove a quadrilateral is a parallelogram.
The main focus is to recognize which statements are sufficient conditions for a parallelogram.

Key Concept Explanation:
There are five classic conditions that prove a figure is a parallelogram. Among them:
Both pairs of opposite sides parallel                                        
One pair of opposite sides both parallel and congruent
Diagonals bisect each other
Opposite angles congruent
Both pairs of opposite sides congruent

Step-by-Step Solution:
A: ✅ Yes, this is one of the most direct definitions.
B: ✅ This is the “one pair both parallel and congruent” condition.
C:...