自然人客户申请开通创业板市场交易的手续包括（）。

A.通过现场询问、问卷调查等方式，收集客户信息

B.根据了解的客户信息和测评情况，对客户有针对性地进行风险揭示、市场特性及交易规则等讲解

C.经办人将客户签署并经营业部确认的《创业板市场投资风险揭示书》一份交还客户，一份营业部留存

D.营业部经办人将客户填写、签署的问卷调查表、风险测评表、《创业板市场投资风险揭示书》等资料归入客户资料档案留存

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