Read the sentence, then choose the sentence - Ответ на вопрос по английскому языку №766501

Вопрос

• Read the sentence, then choose the sentence which is closest in meaning to the original sentence.
• In the last twenty years there have been a number of positive developments in this field.
• 
  Выберитеодинответ:
• In the last twenty years there has been stability in this field
• In the last twenty years there has been a lot of progress in this field
• In the last twenty years there have been many floods in this field
• In the last twenty years there have been a number of movements in this field

Ответ