He looked at the box ________ the voice came．
He looked at the box ________ the voice came．
A.whose
B.from which
C.from that
D.which
答案及解析： B
解析：
此处为“介词+关系代词”引导的定语从句，原句为the voice came from the box．
He looked at the box ________ the voice came．
A.whose
B.from which
C.from that
D.which
答案及解析： B
解析：
此处为“介词+关系代词”引导的定语从句，原句为the voice came from the box．