A:56个
B:55个
C:54个
D:53个
①成功离不开充分发挥主观能动性
②个人努力是取得成功的客观前提
③重视外部联系是取得成功的关键
④尊重规律利用条件才能获得成功
— ________are koalas from?
— They're from Australia.
Is this a panda? Yes, it is.