Carelessness is apparently bad because it always _______ failure, but _______ failure can teach us

a good lesson.[ ]

A. results from; on the one hand

B. results in; in other words

C. leads to; on the other hand

D. lies in; in the other hand

凡春季新发生的嫩叶有显著不同叶色的树统称春色叶树。