血站违反献血法规定，向医疗机构提供不符合国家规定标准的血液的，应当（）

A.由县级以上卫生行政部门处以罚款

B.由县级以上卫生行政部门责令改正

C.由县级以上卫生行政部门限期整顿

D.依法赔偿

E.依法追究刑事责任

Tina was hesitation about the job offer as she did not know _______ the company was an established one.

A．whether

B．what

C．until

D．although