根据《与贸易有关的知识产权协定》，关于商标所有人转让商标，下列哪一选项是正确的？（）

A．必须将该商标与所属业务同时转让

B．可以将该商标与所属业务同时转让

C．不能将该商标与所属业务同时转让

D．可以通过强制许可形式转让

Maybe if I ________ science, and not literature then, I would be able to give you more help.[ ]

A. studied  

B. would study

C. had studied  

D. was studying