In what respect was Kohoutek a disappointment?
(A) It could be seen only through special equipment.
(B) It did not approach the Earth.
(C) It did not provide valuable scientific information.
(D) It was moving too rapidly for scientists to photograph.
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統計: A(53), B(6), C(13), D(9), E(0) #324881
統計: A(53), B(6), C(13), D(9), E(0) #324881