I will never forget the terrible accident it happened so long ago.A. even thoughB. only i

网友回答

(答案→)A. even though
B. only if
C. only when
D. ever since
解析：even though“即使”，only if“只要…就”，only when“只有当…才能”，ever since“从那时起”。本句的意思是“即使那个可怕的事故发生在很久以前了，我仍然忘不掉它。”所以本题选A。