Step 1: Identifying Picasso's work.
Pablo Picasso is known for his distinctive style, which includes elements of Cubism and abstract figures. By recognizing these characteristics, we can identify his work.
Step 2: Analyzing the paintings.
- (A) and (B) display typical Picasso-like features, such as fragmented forms and use of cubism.
- (C) and (D) do not follow the typical style associated with Picasso’s works.
\[
\boxed{(A) \text{ and } (B) are by Picasso.}
\]