(EEAR 2016/2017 ) - QUESTÃO

Read the text and answer question.

Throughout history, butterflies have been seen as symbols of many thing – not only transformation and purity, but also death and sin. Today though, scientists study them to see what they can tell us about our changing planet, writes Mary Colwell. (Source: www.bbc.co.uk/news)

According to the text, butterflies: 
a) don’t symbolize purity.
b) are also symbols of death and sin.
c) have been studied by scientists throughout history.
d) cannot tell anything about the changes in the planet.

Como citado no texto “Butterflies have been seen as symbols of death and sin.