经口急性铅中毒出现的典型症状是

A.腐蚀性口腔炎

B.肌肉震颤.抽搐

C.恶心.呕吐.视物模糊

D.恶心.呕吐.口内有金属味

E.口腔.咽喉.黏膜糜烂充血，呕吐物有蒜臭味