1.for
固定搭配:make sth for sb = make sb sth,意思是“为某人(制)做某物”;
make a pizza for us = make us a pizza即“为我们做一个披萨”.
2.A what
翻译:你筹集资金是为了什么?
介词for后面缺少表sth的宾语,所以只能用疑问代词what.
其他选项都是疑问副词,不能做介词for的宾语.
且 for what = why,即:
What are you going to raise money for?
= Why are going to raise money?