In each of the questions given below, four words are

Solution

The sentence is not correct in its present form, and that’s clear from the first bold word. It is illogical to say a tax policy aims to complicate revenue — this makes no economic sense. Hence, option E can be ruled out. Now, interchanging A–B gives us: “...aims to amplify revenue...” and “...may unintentionally complicate foreign investment...” — which fits perfectly.  No need to swap anything else — C and D are already correctly placed. Correct sentence: The new digital tax policy aims to amplify revenue from tech giants, but critics argue that it may unintentionally complicate foreign investment, especially in a market where digital rules are still fragmented and legal enforcement remains robust.