Read the following passage and mark the letter A, B, C, or D to indica

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 (31).

 

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 (31) ...... by itself, we've casually accepted that machines can be trusted to do things for us. Right now all modem technology is designed to (32) ...... the world to you: phone, radio, television, internet, but if trends continue, robots will soon bring you to the world, everywhere, and at the (33) ...... of thought. A mind and a hand where it's needed while you sit safely at home and run the show. It's a future goal - something we know we (34) ...... 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 (35) ...... our homes, we just have to wait a bit to proctor them into making us more human. 
 

• A. A. pop up
• B. B. to pop up
• C. C. popping up
• D. D. popped up