Answer:
Parallelogram. 
C is correct. 
Step-by-step explanation:
We are given a figure of special quadrilateral.  
Opposite sides are parallel. 
Two vertical lines are tilted and parallel. 
Property of parallelogram: 
Opposite sides are parallel and equal. Angles are not 90°
Two angles are acute and two are obtuse. 
If we see the quadrilateral two angles are acute and two are obtuse. 
Hence, The quadrilateral is parallelogram.