（）是用人单位与本单位职工根据法律、法规、规章的规定，就劳动报酬、工作时间、休息休假、劳动安全卫生、职业培训等事项，通过集体协商签订的书面协议

A.劳动合同

B.专项协议

C.集体协议

D.集体合同

— ______________________

— I have a headache. [ ]

A. What are you doing?

B. What do you like?

C. What's wrong with you?

D. What are you going to do?