—Have you ever seen two leaves that are exactly the same?—Never. Leaves differ each other

问题补充：

—Have you ever seen two leaves that are exactly the same?

—Never. Leaves differ each other size and shape.

A. from; in

B. in; in

C. in; from

D. from; from

答案：

(答案→)A. from; in

B. in; in

C. in; from

D. from; from

解析：句意：上文，你曾经见过两片完全相同的树叶吗？下文，从来没有。树叶在大小和形状上彼此不同。Differ from是固定用法，意思是与……不同；在某方面，用in，选A。