How much did you all these things,急用！！

C

cost 某物价值多少（前要是物）
比如：these things costs 100 RMB.
spend 花费金钱做某事。后面要跟on 或doing sth
比如：I spend 2 RMB on these books.(buying these books)
take 不能表现出支付钱买某物。
pay for sth.为某物支付金钱。
比如：I paied 300 RMB for these books.

C
cost主语是物（It cost me 5 yuan ...)
spend:How much did you spend on all these things?
pay(some money) for sth.正确
take 仅指花费时间（It takes me an hour to do the work.)

C
cost sb. money
spend money doing sth.(on sth.)
it(sth.) take sb. time(money) to do sth.

D

你在这些东西上一共花了多少钱?

B