__________you eat the correct foods__________be able to keep fit and stay

healthy.                              [ ]

A. Only if; will you              

B. Only if; you will      

C. Unless ; will you              

D. Unless ; you will

烧伤后肺栓塞的主要临床表现有（）

A.高热

B.呼吸困难

C.胸痛

D.低血压

E.少尿