He spoke through a microphone , he was clearly heard in the great hall.
A. even if
B. because
C. in order that
D. so that
网友回答
A. even if
B. because
C. in order that
(答案→)D. so that
解析：词义辨析题。A. even if 即使 B. because 因为 C. in order that 为了 D. so that 结果 他通过麦克风说话结果在大厅里能清晰地听清他的发言。 根据句意选D