2008 Sichuan Question 2 Single-choice Differentiating 2008_退役省自主命题 (2008·理) 2. (5分) (2008•四川)复数2i(1+i)$2=$( ) A. ﹣4B. 4C. ﹣4iD. 4i Answer keyA ☆ SaveCan't do it, show the explanation查看原卷 →