男，26岁，6小时前急起气促、发绀，血压从16.0/11.2kPa(120/84mmHg)下降至8.0/6.1kPa(60/46mmHg)，颈静脉怒张，心音减弱，肺无啰音。

下列何项发现有助诊断()

A．奇脉

B．心界增大

C．心房颤动

D．端坐呼吸

E．肝大压痛，肝颈静脉回流征阳性

Originally introduced by Netscape Communications, （66） are a general mechanism which HTTP Server side applications, such as CGI （67） , can use to both store and retrieve information on the HTTP （68） side of the connection. Basically, Cookies can be used to compensate for the （69） nature of HTTP. The addition of a simple, persistent, client-side state significantly extends the capabilities of WWW-based （70） .

A．programs

B．applications

C．frameworks

D．constrains