一道考研英语单选题,Anyonewithhalfaneyeontheunemploymentfiguresknewthattheassertionabouteconomicrecovery__justaroundthecornerwasuntrue.[A]wouLdbe[B]tobe[C]was[D]being我想指导为什么不能选B呢

　　一道考研英语单选题,

　　Anyonewithhalfaneyeontheunemploymentfiguresknewthattheassertionabouteconomicrecovery__justaroundthecornerwasuntrue.

　　[A]wouLdbe[B]tobe[C]was[D]being

　　我想指导为什么不能选B呢