单选题At the class meeting &nbs

问题补充：

单选题Attheclassmeeting,hemadetwosuggestions,______wereofgreatvalue.A.all of themB.all of whichC.both of themD.both of which

答案：

D解析考查定语从句。先行词为two suggestions，可排除A、B两项，C项前加上and 也对，故