39. What can we learn about improvisations from the reading?
(A) How long an improvisation usually is.
(B) Where the story of an improvisation is from.
(C) Who first had the idea of making improvisations.
(D) When the first improvisation was given in the theater.
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統計: A(16), B(95), C(44), D(35), E(0) #3149116
統計: A(16), B(95), C(44), D(35), E(0) #3149116