Question

Few people have ___________ about cataract surgery today.

Answer 1

Answer:

certainty (b)

Explanation:

Because cataract surgery is a well-known procedure (and is also commonly executed), the general public should have trust in it.  

however, because there are many unknowns for people getting the surgery (leading to uncertainty in a mass setting) and it is [typically] operated under anesthesia, people do not always reach this conclusion.

so, few people have certainty about cataract surgery today

hope this helps!!

Answer 2

Answer:

doubts

Explanation:

because cataract surgery sounds too good to be true so it comes with a lot of doubts