A:萌发的种子
B:未萌发的种子
C:煮熟的种子
D:新鲜的叶片
The flood last month in the east was a real disaster,________19 people dead and 78 missing.
下列各数(-2)0 , - (-2), (-2)2, (-2)3中, 负数的个数为 ( )