【C13】A．thoughB．as ifC．ifD．as

【C3】A．likeB．as ifC．asD．seems like

【C15】A．ThusB．ThoughC．Even ifD．As

【C12】A．AsB．As ifC．ThoughD．Unless

【C8】A．thoughB．whileC．so thatD．as

【C6】A．UnlessB．IfC．ThoughD．As

【C7】A．such thatB．just likeC．as ifD．much as