Duchenne型肌营养不良症的下列哪项表述是错误的()

A．早年发病，患儿均为男性

B．最初表现行走慢、不能跑步和易跌倒

C．下肢肌无力明显，鸭步，Gower征(+)

D．典型肌源性损害肌电图

E．散发病例病情最轻，预后最佳

In the English letter of invitation the one who sends out the invitation appears () of the letter.

A. at the very beginning

B. at the end

C. at the bottom

D. in the middle