<綜合測驗>第21至25題為題組 Being hit by lightning is a rare event. Over the course of an 80-year life span， the odds of being hit by lightning are 1 in 3，000， ______ 21 ______ the probability of being struck seven different times. (A) if it isn’t (B) as you can see (C) not to mention (D) with regard to
