look,the flowers______by those workers.A：are watered B：are being watered C：are wateringD：are going to water

look,the flowers______by those workers.A：are watered B：are being watered C：are wateringD：are going to water
look,the flowers______by those workers.A：are watered B：are being watered C：are watering
D：are going to water

look,the flowers______by those workers.A：are watered B：are being watered C：are wateringD：are going to water
B
因为有look,所以选用现在进行时,flower和water是被动关系,所以要用be watered.

B

b