Read the following passage and mark the letter A, B, C, or D to indicate the correct word or phrase that best fits each of the numbered blanks.

Will robots change our lives in the future? It's a funny question to ask when they're changing our lives now in so many ways and they have been for years. From the first time you saw a toaster (23) - “_______” by itself, we've casually accepted that machines can be trusted to do things for us.
Right now all modern technology is designed to (24) - “_______” the world to you: phone, radio, television, internet, but if trends continue, robots will soon bring you to the world, everywhere, and at the (25) - “_______”
of thought.
It's a future goal - something we know we (26) - “_______” do. Robots won't just change our lives in the future, they'll expand them. Not just for fun. but for necessity. We've taken the first steps into welcoming them (27) - “_______” our homes, we just have to wait a bit to proctor them into making US more human. Do you agree?

 

A. pop up 

B. to pop up 

C. popping up 

D. popped up