花中雄蕊的花丝联合成两束，为（）
A.二强雄蕊
B.单体雄蕊
C.二体雄蕊
D.聚药雄蕊
参考答案：A
So far, about 40 houses have fallen down under the weight of the snow, with 22 people ________.[ ]
A. reported injured
B. reported injuring
C. reporting injured
D. reporting injuring
