In the following question, a sentence is given with a phrase highlighted in bold. Find out the phrase, among the phrases (a, b, c,
d) given below each sentence, which should replace the phrase printed in bold to make the sentence grammatically correct. If the sentence is already correct, mark (5),
i.e. 'No correction required', as the answer. In the past decade, our world has seen a rapidly increasing number of refugees - a mass exodus, if you will - from countries rife before some combination of conflict, environmental disasters, economic hardship and unstable leadership.