问题
选择题
(2013·哈尔滨四校高三统一检测)Williams shows some challenging means ________ diners at their mystery lunch on Sunday might eat the special dish.
A．after which
B．in which
C．by which
D．for which
答案
答案：C
C 考查定语从句。句意：Williams展示了一些富有挑战性的方法，在星期日的神秘午餐上用餐者或许会用这些方法吃那道特殊的菜。与means搭配的介词是by，故选C项。