紫皮书中提到的最高安全级别是哪个级别

A.EAL1

B.EAL2

C.EAL3

D.EAL4

A.4

B.5

C.6

D.7

A.aa=false;

B.aa=False;

C.aa="true";

D.aa=0

A.typedef struct aa { int n; float m; }AA; AA tdl;

B.#define AA struct aa AA { int n; float m; } tdl;

C.struct aa { int n; float m; }; struct aa tdl;

D.struct { int n; float m; }tdl;

A.C1

B.C2

C.B1

D.B2

A.C1

B.C2

C.B1

D.B2

A.AB和Ab

B.Aa和Bb

C.AB和ab

D.Aa和Aa

A.Aa Ab aB Bb

B.Aa Bb aa BB

C.AB Ab aB ab

D.Aa Bb AA bb

A.AB和Ab

B.Aa和Bb

C.AB和AB

D.Aa和Aa

A.unsigned char data aa;

B.signed char xdata aa;

C.extern signed char data aa;

D.unsigned char xdata aa;