根据对话内容，从框格中选出能填入空白处的最佳选项，并将其序号填入空白处。

(Bruce met Miss Wang in the teachers’ office )

A: Hey , Bruce .

B: Hey , Miss Wang .

A:   小题1:   

B: Well , I have a headache and a cough . I’m feeling terrible .

A:     小题2:  Maybe you have the flu .

B: That’s right .      小题3: 

A: Certainly . You’re better go to see a doctor.   小题4:  

B: No , thank you . I’ll take some medicine and drink more water .

(Two days later , Miss Wang met Bruce in the teachers’ office again .)

A: Hey , Bruce .      小题5:  

B: Much better , thanks .It’s nothing serious .

A: Doing more exercise may keep you healthy .

B: Thank you , Miss Wang . I’ll try that .

业主把建设项目的设计任务和施工任务综合委托的模式可称为建设项目( )。

A．承包

B．分包

C．总承包或工程总承包

D．联合承包