阿摩線上測驗
10. In the following statements
which of the following choice is the correct answer of a?
(A) 5
(B) 6
(C) 7
(D) 8
(E) infinite
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統計： A(1), B(0), C(1), D(1), E(1) #2793467
統計： A(1), B(0), C(1), D(1), E(1) #2793467