单选题 We can't rule out the possibility that he was murdered by his wife.

【正确答案】 C
【答案解析】画线词rule out:排除掉,其对应词应为exclude,即“排除掉,不包括。”辨义:A.foresee预见;B.run out用完;D.foretell预言。故答案为C。