Which one is army worm (attack at milking stage)?

None of the given options is army worm.
The armyworm (Mythimna seperata) is a species in the order Lepidoptera and one of the species of the fall armyworm moths distinguished by their larval life stage.
The term "armyworm" can refer to several species, often describing the large-scale invasive behavior of the species' larval stage. It is regarded as a pest and can damage and destroy a wide variety of crops, which causes large economic damage.