I’ll lend you money ------- you promise to return it by the

为你解答。I’ll lend you money （B。as long as,只要） you promise to return it by the end of the this month。只要你答应本月底以前还钱,我就借给你。解释：其它三项的分析如下==A。even if：即使,意思不对。C。as far as：就……来说,意思不合适。D。unless：除非,相当于if not,意思说反了。