My father may have to go into hospital, in ______ case he won’t be going on holiday.

A．whose

B．this

C．that

D．which

下图为某一遗传病系谱图，该病不可能的遗传方式是（）

A.常染色体显性遗传

B.常染色体隐性遗传

C.X染色体显性遗传

D.X染色体隐性遗传