A:-15+25i
B:15+25i,
C:-15-25i
D:15-25i
My father's birthday is on .
非洲有种奇特的鱼叫肺鱼,当河流中有水时它用腮呼吸,当河流中没水时它用肺呼吸。形成这种独特机能的气候环境是( )