A.int a[2][2]={{1},{2}}; B.int a[][2]={1,2,3,4}; C.int a[2][2]={{1},2,3}; D.int a[2][]={{1,2},{3,4}};
A.int a(10); B.int n=10,a[n]; C.int n; scanf("%d",&n); int a[n]; D.#define SIZE 10 (換行) int a[SIZE];
A.0 B.1 C.True D.非0