阿摩線上測驗
13. The following function return true when ____________.
(A) s is string with same char.
(B) s is a palindrome.
(C) s is empty.
(D) all of the above.
答案：登入後查看
統計： A(15), B(28), C(13), D(32), E(0) #1989180
統計： A(15), B(28), C(13), D(32), E(0) #1989180
