Either B or D. Most likely D. It definitely cannot be A since they are know for being messy and it can't be C because this is just not something the painting are iconic for.
Impressionist art is a style in which the artist tries to captures the image of an object as someone would see it if they have been just caught a glimpse of it. This art emphasis on the accurate depiction of light in its changing qualities. Expressionist art tried to convey emotion and meaning rather than reality and at the same time the colors that are used are often vivid or shocking.
