I like this 3G cellphone very much, but it costs almost _______that one.

A．four times as many as

B．as four times many as

C．four times as much as

D．as four times much as

某患者出现前额部头痛，卧位时减轻，立位时加重，考虑

A．典型偏头痛

B．丛集性头痛

C．紧张性头痛

D．痛性眼肌麻痹

E．低颅压性头痛