_________Jimmy knows he may fail, ________he will still try.

A．Though; but

B．Though; /

C．But; though

D．But; /

手术前患者的营养补充最好选择是()

A．高蛋白膳食

B．粗细粮搭配食用

C．低盐

D．低胆固醇膳食

E．高热能、高维生素膳食