For many years, people（）electric cars. However, making them has been more difficult that predicted.

A. had dreamed of

B. have dreamed of

C. dreamed of

D. dream of

女性，26岁，在购物时突然尖叫一声，即刻倒地，四肢痉挛性抽搐，口吐血红色泡沫，小便失禁，持续约3分钟，被人送至医院。追问病史，近两日精神不振，头痛头晕，全身不适，常可闻及异常怪味。既往无特殊，否认外伤史。

头颅CT见左颞叶内直径约2cm等密度影，该患者应首先考虑()

A．自发性低血糖

B．症状性癫痫

C．特发性癫痫

D．癔症

E．猝倒症