【正确答案】
C
【答案解析】[注释] 词义搭配。propose vt.提出;refute vt.反驳;defy vt.(公然)对抗,蔑视,如:defy the law(目无法纪);witness vt.目睹;(for)(签名)作证支持……,(against)(签名)作证反对……。例如:1)Your brother Will witness for you in this charge.(在这次控告中你兄弟将为你作证辩护。)2)He will witness against you if only out of spite.(假如出于恶意,他将作证说明你有罪。)