In the following sentences four words are given in bold. They may or may not be in the correct position in the sentence. You have to find out which two or more words should exchange their position so that sentence become grammatically correct and meaningful. If no words need to exchange their position, then mark the option 5 i.e., 'No change required'. It is not just the disproportionate continuing levels (

• A / of emissions but also solutions such as carbon pricing (
• B / and trade restrictions that widen (
• C / the income gap and increase (
• D / inequality.