A.A B.B C.C D.D
A.方式0 B.方式1 C.方式2 D.方式3
A. computer? ? And Greater than 1999 B. computer* ? And Greater than 1999 C. computer? *And Greater than 1999 D. computer** And Greater than 1999
A.6 B.8 C.10 D.不定
