The teacher asked the two students to discuss the question in a low voice they s
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The teacher asked the two students to discuss the question in a low voice______ they should bother the others.
A.so that
B.in case
C.in order that
D.now that
试题答案
B
解析：考查连词辨析。A以至于；B以防；C为了；D既然；结合句意可知B正确。句意：以防他们会干扰别人，老师让那两个学生小声讨论问题。