单选题 The continuous unrest was _______ the nation's economy.
A. exaggerating B. aggravating C. amending D. fastening

【正确答案】 B
【答案解析】exaggerate夸张，夸大；aggravate使恶化，加重；amend修改，修订，订正，改进，改善； fasten扎牢，集中于，加强。