14. Among other duties, the Federal Communications Commission is charged with the licensing of radio and television stations.
(A) excited by
(B) billed for
(C) attacked by
(D) responsible for
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統計: A(1), B(13), C(3), D(32), E(0) #1098223
統計: A(1), B(13), C(3), D(32), E(0) #1098223