5. The teacher drew an________ between the human heart and a pump, which made us realize how
exactly the human heart works.
(A) execution
(B) affection
(C) amputation
(D) analogy
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統計: A(0), B(0), C(3), D(4), E(0) #2717605
統計: A(0), B(0), C(3), D(4), E(0) #2717605