营养不良的叙述下列哪项不正确（）

A.易并发营养性小细胞性贫血

B.可发生自发性低血糖

C.消瘦主要反映过去营养不良

D.生长迟缓主要反映慢性营养不良

E.体重低下主要反映患儿有急性或慢性营养不良

—Learning a language isn't easy. It takes time.
—I agree.（）. There's no shortcut.

A. All roads lead to Rome

B. Rome wasn't built in a day

C. Practice makes perfect

D. Slow but sure wins the race