Critics use which of the following to judge art? A ideas
B Feelings
C opinions
D standards

I believe the answer is C opinions

Explanation:

Critics use 5 step criticism which basically consist of Five basic steps that will help them criticize the work. All of these question are valid because they are all in the the five steps which are, 1.what standards does this art have, 2. does it give you feelings, 3.might it give the people ideas on other work, 4. does it have meaning, and 5. finally give your opinion on it. I am sorry if I make you get it wrong it is just this answer is so diverse with the questions you have to get it so right but hopefully I help you!!    

all options are correct a) b) c) and d)