In each of the questions given below, four words are given in bold. These four words may or may not be in their correct position. The sentence is then followed by options with the correct combination of words that should replace each other in order to make the sentence grammatically and contextually correct. Find the correct combination of words that replace each other. If the sentence is correct as it is, select ‘E’ as your option.                                              Kim said at an/a unprecedented (

• A of party officials in Pyongyang that actions by the US forced him to reconsider (
• B pledges that were underpinned (
• C by three gathering (
• D meetings with Trump over the past 18 months, according to the state-run Korean Central News Agency on Wednesday.