I think it’s C or D. C is more specific. D is saying all of the above which is true, but I don’t think that would be the answer. Since it says to fill up your paper. But it’s your decision
The main idea is that humanoid robots do things for the scientists that the never could.
ANSWER: Creative thinking.
This is as coming up with new ideas requires creativity. Therefore, the answer must be creative thinking.
Hope this helps! :)
Have a lovely day! <3