阿摩線上測驗
21. The results of the experiment were __________ by several unexpected variables, making them difficult to interpret.
(A) influenced
(B) determined
(C) controlled
(D) achieved
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統計： A(42), B(3), C(2), D(1), E(0) #3895132
統計： A(42), B(3), C(2), D(1), E(0) #3895132
