男，62岁。突然意识不清1小时，头颅CT：右侧大脑半球3cm×3cm×3cm高密度影

最可能的诊断为（）

A.昏厥

B.高血压脑病

C.脑栓塞

D.脑血栓形成

E.脑出血

有以下程序
#include ＜iostream＞
#include ＜string＞
using namespace std;
class base

private:
char baseName[10];
public:
base()

strcpy(baseName,"Base");

virtual char *myName()

return baseName;

char *className()

Return baseName;

;
class Derived: public base

private:
char derivedName[10];
public:
Derived()

strcpy(derivedName,"Derived" );

char *myName()

return derivedName;

char *className()

return derivedName;

;
void showPtr(base &p)

cout＜＜p.myName()＜＜" "＜＜p.className();

int main()

base bb;
Derived dd;
showPtr(dd);
return 0;

运行后的输出结果为

A．Derived Base

B．Base Base

C．Derived Derived

D．Base Derived