题目

She said she _____ her exams by then. A . have finished B . would finish C . had finished D . would have finished 答案：D白光透过绿色玻璃后如果照射到绿色的树叶上，树叶呈 色；如果照射到小白兔上，小白兔的身体呈 色，小白兔的红眼睛呈 色．