胃溃疡与溃疡型胃癌X线最主要的区别是（）.

A.溃疡大小

B.溃疡是否位于胃轮廓之内

C.皱襞是否中断

D.周围有无结节

E.胃壁硬度

In which type of organization is the project managers role most likely part time ？（）

A．Functiona

B．Weak matri

C．Strong matri

D．A and