已知字母A的ASCII代码值为65，若变量kk为char型，以下不能正确判断出kk中的值为大写字母的表达式是______。
(A) kk＞='A'＆＆kk＜='Z'
(B) !(kk＞='A'||kk＜='Z')
(C) (kk+32)＞='a'＆＆(kk+32)＜='z'
(D) isalpha(kk)＆＆(kk＜91)

—Why did you stop writing?  

—I _____ my writing paper.   [ ]

A. ran out of

B. have been used up

C. have used up of

D. have run out