Questão número 638601

Read the text below entitled `Half the nation, a hundred million citizens strong´ so as to answer questions 19 to 21:

According to paragraph 2, the social climbing in Brazil

• A.

  might be explained by two factors.

• B.

  may also soon occur in the cities.

• C.

  should impact on the quality of education.

• D.

  could lower the quality of teaching.

• E.

  must encompass future generations.