有如下程序:执行后的输出结果应该是: #include class cla{ static int n ; public: cla(){n++ ;} ~cla(){n-- ;} static int get_n(){return n ;} } ; int cla::n=0 ; int main() { cla * p=new cla ; delete p ; cout< ; return 0 ; }
A.
n=0
B.
n=1
C.
n=3
D.
n=4
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【简答题】听力原文:What does the speaker think of the job of taking care of an ageing parent? What does the speaker think of the job of taking care of an aging parent? It's ______.