5. What does “had them on the edge of their seats” mean in the last sentence of the passage?
(A) Had them stand up.
(B) Took them by surprise.
(C) Caught their full attention.
(D) Aroused their suspicion.
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統計: A(4), B(2), C(25), D(3), E(0) #3390730
統計: A(4), B(2), C(25), D(3), E(0) #3390730