单选题：Delete the minimum number from the binomial queue given in the f

Delete the minimum number from the binomial queue given in the following figure. Which one of the following statements must be FALSE? (Note that you can merge any two of carry, T1 and T2 when all of them are not none)







A.After deletion there are two binomial trees in the binomial queue


B.29 must not be the root of some binomial trees


C.21 must have its siblings
D.23 may be the root of some binomial trees


答案：C