Im not any good at Alice 3, I only used it for a few hours. Still from the coding perspective try using an int, 1 = first answer, 2 = 2nd answer, ect. Then use some 3D text with an array of strings to display the questions. After that just add some click detection. Use the int for checking if the answer is correct (just compare 2 ints).
For setting it easily to different questions, just make a method with 2 params, an int and an array of strings. Then set the correct answer to the int and the array of questions to the array.
If you have any more questions please ask!