对于重大项目和特殊项目进一步解决某些技术问题，或确定某些技术方案而进行的设计是（  ）。

A、<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: " times="" new="" roman";="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa"="">总体设计</span>

B、<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: " times="" new="" roman";="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa"="">初步设计</span>

C、<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: " times="" new="" roman";="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa"="">技术设计</span>

D、<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: " times="" new="" roman";="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa"="">施工图设计</span>