As is known to all,       Yang Liwei has become a space hero is      we have expected．

A．that; which

B．what; that

C．what; which

D．that; what

男性，30岁，10年来，反酸、嗳气、上腹部饱胀，伴有规律性上腹痛，进食后加重。胃镜检查，胃窦小弯侧可见溃疡。不支持消化性溃疡诊断的胃镜所见是

A．溃疡直径小于2cm

B．底部平坦

C．溃疡边缘整齐

D．溃疡周围黏膜皱襞中断

E．结节状肥厚