28. He feels ashamed of _____ by his father.
(A) having been punishing
(B) being punishing
(C) having been punished
(D) having punished
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統計: A(11), B(58), C(322), D(73), E(0) #2756877
統計: A(11), B(58), C(322), D(73), E(0) #2756877