38. 執行下列 Visual Basic 語言片段程式的結果為何?
S = 0
 X = 1
For K = 1 to 4
 S = S + X
 X = X * 2
 Next K
 Print S
 
(A) 4
(B) 7
(C) 15
(D) 30

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統計: A(3), B(12), C(26), D(8), E(0) #790027