Read the following passage carefully and answer the questions that follow by selecting the correct option from the given options, based solely on the passage. Mark your answer on the Answer Sheet accordingly. An attempt to determine the number of languages in the world is affected by other factors. A few new languages do continue to be discovered, even these days, as unexplored regions of the world begin to be opened

Step-by-step solution

Based on the passage, let us evaluate the given options. Option (1) is incorrect because the passage explicitly states, 'there are still many countries where such surveys are incomplete or have not even begun.' Options (2) and (4) are incorrect because the passage mentions, 'A few new languages do continue to be discovered, even these days, as unexplored regions of the world begin to be opened up.' Option (3) is correct. The passage describes the process of linguistic discovery, noting that investigators initially