Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 15 to 19

Today, many governments are promoting organic or natural farming methods (15) ______ avoid the use of pesticides and other artificial products. The aim is to show that they care about the environment and about people’s health. But is this the right approach?

Europe is now the biggest (16) ______ for organic food in the world, expanding by 25 percent a year over the past 10 years. So what is the attraction of organic food for some people? The really important thing is that organic sounds more ‘natural’. Eating organic is (17) ______ way of defining oneself as natural, good, caring, different from the junk-food-scoffing masses. As a journalist puts it: “It feels closer to the source, the beginning, the start of things.”

Unlike conventional farming, the organic approach means farming with natural, rather than man-made. Techniques such as crop rotation improve soil quality and help organic farmers (18) ______ for the absence of man-made chemicals. (19) ______, for its ineffective use of land and labour, there are severe limits to how much food can be produced.

(Adapted from https://spiderum.com /Organic-food-why)