有如下程序：#include ＜iostream＞using namespace std;class BASE{public: ～BASE(){cout＜＜"BASE";}};class DERIVED: public BASE{public: ～DERIVED(){ cout＜＜"DERIVED"; }int main() { DERIVED x; return 0; }执行后的输出结果是( )。

A．BASE

B．DERIVED

C．BASEDERIVED

D．DERIVEDBASE

I usually get up _____ 7:00 ________ the morning.

A．in; at

B．at; in

C．in; in

D．at; on