41. What is this report mainly about?
(A)the symptoms of SARS
(B)the impact of SARS on the medical profession
(C)the influence of super-spreaders on a SARS infection
(D)the characteristics of a super-spreader
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統計: A(2), B(4), C(132), D(72), E(0) #1412734
統計: A(2), B(4), C(132), D(72), E(0) #1412734