依法治国是我们党领导人民治理国家的基本方略。依法治国的前提是( )
A:执法必严
B:有法必依
C:有法可依
D:违法必究
A=x|x=2k,k∈Z,B=x|x=2k+1,k∈Z,C=x|x=4k+1,k∈Z,又a∈A,b∈B则( )
She shook her head when the waiter asked if she'd like____(餐后甜点).