178. When will Dr. Aris Thorne give his presentation?
(A) 10:15 - 11:15
(B) 11:30 - 12:30
(C) 12:30 - 13:30
(D) 14:00 - 15:00
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統計: A(5), B(3), C(5), D(119), E(0) #3823198
統計: A(5), B(3), C(5), D(119), E(0) #3823198