Does the shape below show equal or unequal parts?

If the parts are equal, what fraction does each part represent?

A square is divided into four parts. One half of the square is divided into two smaller squares; the other half is divided into a triangle and a quadrilateral.

A.
Equal parts;
1
2
B.
Equal parts;
1
4
C.
Equal parts;
1
8
D.
Unequal parts

Equal parts; 1/4